School Formal Dresses

The Faye Dress in pink features a softly gathered bust, delicate lace corset detailing with nude color lining, a sculpted drop-waist silhouette, and a flowing floor-length skirt. Finished with slim straps and an adjustable lace-up corset back for a flattering, custom fit.

FULL LENGTH - NOT BEING HEMMED. ONLY SUITABLE FOR GIRLS ABOVE 170cm WHO WILL TAKE EXTRA CARE WHILST THEY ARE WEARING TO PROTECT FROM DAMAGE.

Details:

• Super soft, stretchy, and comfortable sequin fabric
• A semi-sheer dress (nude underwear to be worn)
  
• Mesh band at top and bottom hem
• Strapless pull-on design
• Floor length dress
• High slit at center back

Sizing:

We stock this dress in size 12/L best fit is a 10. 

Condition/RRP:

$725 NZD - Take extra care when wearing this garment.

Expected rental condition - some pulling around the eyelets as expected due to the tight fitting nature of this dress. Please size up to help us maintain the condition, as if it is too small causing the corset to be pulled very tight it can create unnecessary strain on the fabric around the eyelets. 

Fresh, feminine, and effortlessly elegant, the Tilly Tiered Maxi Dress in Sage Green features a relaxed, flowing silhouette with tiered detailing for beautiful movement. Crafted from luxurious textured satin with a subtle sheen, it features adjustable thin straps for a comfortable, personalised fit. The soft sage hue makes it perfect for weddings, formal events, bridesmaid occasions, and special celebrations.

Details:

• Adjustable thin shoulder straps
• Relaxed fit silhouette
• Flared tiered design
• Maxi length
• Soft sheen finish
• Beautiful drape
• Non-stretch fabric
• Fully lined
• Made with 100% Polyester & 92% Polyester & 8% Spandex Lining

Length:

Please note: The Tilly Tiered Maxis are very long and have not been hemmed. If the dress is too long, you can easily shorten it without altering the garment. Simply place a belt around your waist underneath the second tier, then gently pull the third/bottom tier upwards to your desired length. Tighten the belt to secure the excess fabric in place and conceal it beneath the second tier.

This keeps the dress looking natural while allowing you to adjust the length to suit your height.

Sizing:

We stock this dress in size 6/XS and 8/S. The dress fits true to size but due to the free flowing body has some room to give. We recommend the size 6 to best fit a 6 to 8 and the size 8 to best fit an 8 to 10.

Condition/RRP:

Expected rental condition - delicate rental please take care. 

$450

Bright and effortlessly elegant, the Tilly Tiered Maxi Dress in Butter Yellow features a flowing tiered silhouette crafted from lightweight textured satin with a subtle sheen. Delicate adjustable straps provide a comfortable fit, while the vibrant butter yellow hue makes it perfect for summer events, weddings, garden parties, holidays, and special occasions.

Details:

• Adjustable thin shoulder straps
• Relaxed fit silhouette
• Flared tiered design
• Maxi length
• Soft sheen finish
• Beautiful drape
• Non-stretch fabric
• Fully lined
• Made with 100% Polyester & 92% Polyester & 8% Spandex Lining

Length:

Please note: The Tilly Tiered Maxis are very long and have not been hemmed. If the dress is too long, you can easily shorten it without altering the garment. Simply place a belt around your waist underneath the second tier, then gently pull the third/bottom tier upwards to your desired length. Tighten the belt to secure the excess fabric in place and conceal it beneath the second tier.

This keeps the dress looking natural while allowing you to adjust the length to suit your height.

Sizing:

We stock this dress in size 8/S and 10/M. The dress fits true to size but due to the free flowing body has some room to give. We recommend the size 8 to best fit a 8 to 10 and the size 10 to best fit a 10 to 12.

Condition/RRP:

Expected rental condition - delicate rental please take care. 

$450

Bright and effortlessly elegant, the Tilly Tiered Maxi Dress in Butter Yellow features a flowing tiered silhouette crafted from lightweight textured satin with a subtle sheen. Delicate adjustable straps provide a comfortable fit, while the vibrant butter yellow hue makes it perfect for summer events, weddings, garden parties, holidays, and special occasions.

Details:

• Adjustable thin shoulder straps
• Relaxed fit silhouette
• Flared tiered design
• Maxi length
• Soft sheen finish
• Beautiful drape
• Non-stretch fabric
• Fully lined
• Made with 100% Polyester & 92% Polyester & 8% Spandex Lining

Length:

Our size 10 has been hemmed to suit heights 5'7 or shorter (you may still need to use the belt method described below if too long).

Our size 8 has not been hemmed.

Please note: The Tilly Tiered Maxis are very long. If the dress is too long, you can easily shorten it without altering the garment. Simply place a belt around your waist underneath the second tier, then gently pull the third/bottom tier upwards to your desired length. Tighten the belt to secure the excess fabric in place and conceal it beneath the second tier.

This keeps the dress looking natural while allowing you to adjust the length to suit your height.

Sizing:

We stock this dress in size 8/S and 10/M. The dress fits true to size but due to the free flowing body has some room to give. We recommend the size 8 to best fit a 8 to 10 and the size 10 to best fit a 10 to 12.

Condition/RRP:

Expected rental condition - delicate rental please take care. 

$450

Soft, feminine, and effortlessly wearable, the Tilly Tiered Maxi Dress in Blue features a relaxed, flowing silhouette with cascading tiers for beautiful movement. Crafted from lightweight textured satin with a subtle sheen, it features delicate adjustable straps for a personalised fit. The soft blue hue makes it perfect for weddings, garden parties, holidays, and summer occasions.

Details:

• Adjustable thin shoulder straps
• Relaxed fit silhouette
• Flared tiered design
• Maxi length
• Soft sheen finish
• Beautiful drape
• Non-stretch fabric
• Fully lined
• Made with 100% Polyester & 92% Polyester & 8% Spandex Lining

Length:

Please note: The Tilly Tiered Maxis are very long and have not been hemmed. If the dress is too long, you can easily shorten it without altering the garment. Simply place a belt around your waist underneath the second tier, then gently pull the third/bottom tier upwards to your desired length. Tighten the belt to secure the excess fabric in place and conceal it beneath the second tier.

This keeps the dress looking natural while allowing you to adjust the length to suit your height.

Sizing:

We stock this dress in size 10/M. The dress fits true to size but due to the free flowing body has some room to give. We recommend the size 10 to best fit a size 10 to 12.

Condition/RRP:

Expected rental condition - delicate rental please take care. 

$450

Recommended sizing:

Label size S (8) - Recommended fit: 8

Label size M (10) - Recommended fit: 10

Description:

Features a structured rosette-embroidered bodice that delicately contours the silhouette, suspended by fine shoulder straps for an understated elegance. Flowing from the waist, a soft chiffon skirt cascades effortlessly to the floor, creating subtle movement with every step.

RRP $500

Garment Condition/Notes:

No significant flaws.

Please note the frilly trim between the lace bodice and skirt has a slightly more frayed appearance than shown in the photos. The lace on the bodice may be loose in some areas. While we regularly maintain and repair the garment, minor looseness may occur between rentals.

Please note this dress is a rental and may show minor signs of previous wear. We kindly ask that extra care is taken when wearing this garment.

Please read all information provided above carefully before booking. We do not offer refunds for change of mind, incorrect sizing, failure to read the description, or any minor flaws, alterations, or signs of wear already stated in the listing.

Recommended sizing:

Label size XS/S (6/8) - Recommended fit: 6

BUST: 80-85 cm

WAIST: 61-66 cm

HIP: 87-92 cm

Description:

Featuring a deep cowl neckline, backless design and adjustable sash.

Designed to stretch and contour the body.

RRP $420

Garment Condition/Notes:

No significant flaws.

Please note this dress is a rental and may show minor signs of previous wear. We kindly ask that extra care is taken when wearing this garment.

Please read all information provided above carefully before booking. We do not offer refunds for change of mind, incorrect sizing, failure to read the description, or any minor flaws, alterations, or signs of wear already stated in the listing.

Colour: Plum Brown
Fabric: Polyester

The Ottilie Maxi Dress in plum brown combines luxe stretch mesh with dense hotfix rhinestones for understated glamour.

Perfect for balls, black tie events, and work functions

DETAILS:

- Asymmetric neckline
- Asymmetric gathering at waist
- Embellished with dense hotfix rhinestones.

Colour: Black 
Fabric: Polyester/Spandex

The Huxley Gown combines sculptural texture with fluid movement to create a striking modern silhouette. Pair it with black heels, a sleek hairstyle and statement earrings to complete the look. A red lip can be worn for a pop of colour!

Perfect for black tie, awards evenings, weddings, work events, and balls.

DETAILS
- Strapless
- Textured gathered tulle bodice
- Sculptural panel detailing throughout bodice

- Softly fitted silhouette through the waist

- Semi sheer tulle skirt

Stretch Jersey gown
Halter neckline
Asymmetrical off shoulder draping
Form fitting inner lining
Draped overlay
Side cowling open back
Hip godet
Full length silhouette

Size: S

Recommend Fit: 8-10

Condition: Perfect

RRP: $700

Make a statement in the Kyra Gown in Gold, a dramatic and feminine silhouette featuring a structured corset bodice and voluminous tiered skirt. Perfect for formal events, balls, gala evenings and special celebrations where you want to feel glamorous and unforgettable.

Available for dress hire in New Zealand through Treasure Boxx

BEST FIT – Size 8 

Dress has been altered to fit a 8

Style & Fabric Features:

• Elegant strapless neckline with a fitted, structured bodice.
• Delicate pleated frills across the bodice add texture and feminine detail.
• Internal corset with boning provides structure and support through the bodice.
• Dramatic voluminous tiered skirt creates beautiful movement and a statement silhouette.
• Tiered pleating adds dimension and a romantic, couture-inspired finish.
• Striking gold colourway that catches the light beautifully.
• Crafted from 100% polyester and fully lined for a polished finish.
• Finished with an external back zip and sculptural zip puller.

Rental Terms:

Please select the date you will be WEARING the dress — the return date is based on this.
If you require any measurements, please email info@treasureboxx.co.nz.
Orders placed after 1pm for the same weekend will be sent the following day.

Styling Tips:

• Pair with delicate gold jewellery or statement earrings to complement the metallic tone.
• Keep your clutch minimal and refined to allow the gown's dramatic silhouette to shine.
• Nude or metallic heels will beautifully elongate the silhouette.
• Style your hair in a sleek up-do or soft waves to showcase the strapless neckline.

Perfect For:

Balls, black-tie events, gala dinners, formal celebrations, milestone birthdays and any occasion where you want to feel glamorous, feminine and effortlessly unforgettable.

Recommended sizing:

Label size 1 (8) - Recommended fit: 8

Please refer to size chart below.

Description:

Maxi Length

Bias cut georgette silhouette

Asymmetrical off-shoulder draping

Self-lined bust for coverage

Removable corset piece with continuous under-bust wire

Shaping bodice seams

Hook and eye corset fastening

Draped skirt overlay with side gather detail

Single-layer skirt with exaggerated fullness

Two looks for versatile wear

Material:

Crepe. 95% Polyester. 5% Elastane. Georgette. 100% Polyester

RRP $750

Garment Condition/Notes:

No significant flaws.

This dress has been shortened by 8cm to prevent wear or damage to the hem.

Please note this garment may feature minor micro-pulls.

Please note this dress is a rental and may show minor signs of previous wear. Due to its light colour, small marks may appear over time. We kindly ask that extra care is taken when wearing this garment.

Please read all information provided above carefully before booking. We do not offer refunds for change of mind, incorrect sizing, failure to read the description, or any minor flaws, alterations, or signs of wear already stated in the listing.

The Unity Jersey Maxi Dress is a classic soft maxi silhouette, plunge neckline with custom looped hardware that fixes a custom front sash into a waterfall drape. Open back style in a viscose jersey fabrication that has a soft form hand feel.

Details:

• Maxi length
• Stretch fabrication
• Plunge neckline
• Metal Hardware fastening to sash
• Side zip sheer fabrication

Sizing & Fit:

We stock this dress in size 10/M

Condition/RRP:

$540 NZD

Expected rental condition, no notable flaws.

Effortlessly elegant, the Swallowtail Day To Night Maxi Dress In Pink transitions seamlessly from daytime occasions to evening celebrations. Crafted from soft and breathable Tencel voile, it drapes beautifully with a light, airy feel. The gathered square neck bust flatters every shape, while adjustable straps ensure the perfect fit.

Delicate 3D floral appliqué details frame the neckline, creating a romantic, feminine finish. The full trapeze swing silhouette adds graceful movement and flow, with gentle tiers that bring volume and texture. A centre back invisible zipper keeps the look sleek and refined from every angle.

Whether you’re attending a garden party, wedding, or sunset dinner, this day to night maxi dress captures effortless sophistication. Pair it with heels or flats to suit the moment — a timeless piece designed to make every occasion feel special.

Details:

• Adjustable straps
• Gathered square neck bust
• 3D floral appliqué along neckline
• Full trapeze swing silhouette
• Tiered skirt
• Centre back invisible zipper

Sizing:

We stock this dress in size 10. We recommend this dress to fit true to size - due to the free flowing body this could fit a 10-12 comfortably.

Condition/RRP:

Expected rental condition

$450

rrp $415

La Marie

The iconic racer-back statement piece, if you know..... you know!

Featuring a scooped neckline with a low racer back and stretch satin waistband. Designed with a soft blouson silhouette that falls into a fitted hip shape.

Size XS/S - recommended for sizes 6 and 8

• Panelled A-line skirt
• Padded bra cups and binded edges for added lift and support
• Invisible side zip

Need to make sure the dress stays up and on your body? Please do not use any fashion tape or glue other than BODIBOND Glue

Colour: Plum Brown
Fabric: Polyester

The silhouette that sets the standard – the ELLA Maxi Dress. Pair this beauty with heels and a sleek pony, and you'll be best dressed at the ball. Great for  weddings, school balls, awards evenings and black tie events.

DETAILS:

- Strapless neckline with detachable asymmetric off-shoulder drape panel

- Internal boned corset

- Lace-up back.

- Cowl overlay skirt with deep pleats

- Pleated cowl overlay panel

Recommended sizing:

Label size XS (6) - Recommended fit: 6

Label size M (10) - Recommended fit: 10

Label size L (12) - Recommended fit: 12

Please refer to size chart below.

Description:

Non-stretch crepe & woven lyocell.

Maxi length.

Fully lined.

Square neckline.

Adjustable tapered shoulder straps.

Boning in bodice.

Dropped waist.

Cowl overlay skirt with deep pleats.

Lace up back.

Invisible zipper closure with hook & eye.

Corset bodice.

RRP $410

Garment Condition/Notes:

No significant flaws.

Please Note: While this dress has no significant flaws, please be aware of a colour variation. Due to studio lighting and editing, the actual colour of the skirt is a more faded cherry red rather than the bright shade shown on the Babyboo website photos

Additionally, the skirt fabric can naturally develop faint, white powder like lines or patches when creased. This is a characteristic of the material - not washing powder. Photos attached to show colour variation - corset in perfect condition. Very light markings may be present as these will be steamed before sent out and are sensitive to water marks but no permanent stains. Photos provided

Evelyn is a figure-hugging, floor-skimming silhouette, a backless, Halterneck shape and deep, plunging neckline, slip it on after dark when you really want to make an entrance.

Details:

• Deep front cowl
• Maxi length with wide hem
• Backless
• Jersey fabric 

Sizing:

We stock this dress in a size 6/XS VERY stretchy can very comfortably fit up to a size 10.

Condition/RRP:

$650

Expected rental condition - no notable flaws. Small pilling as expected.

Make an entrance in the Gaia Dress — a statement silhouette designed to turn heads.

Crafted in a rich green, Gaia features delicate floral lace and a structured, corset-inspired bodice that beautifully defines the waist. The full pleated skirt creates an elegant, flowing silhouette, adding movement with every step. Romantic yet striking, Gaia is the perfect choice for special occasions, celebrations, elegant dinners and nights when you want to make an impression.

Composition: 34% Polyamide, 31% Rayon, 30% Cotton, 3% Spandex

RRP $425