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Plus Size Formal Dresses Australia – Curve Gowns & Evening Dresses

Shop plus size formal dresses in Australia — discover an extensive collection of curve formal gowns, plus size evening dresses and prom styles for unforgettable occasions.

Explore statement formalwear in sizes extending to selected USA 18–24, including fitted gowns, corset styles, A-lines, mermaid silhouettes and glamorous ball gowns.

From sleek satin and stretch fabrics to sparkling sequins, crystals and structured bodices, discover plus size formal dresses designed for school formals, prom, balls, galas, weddings and special events.

Explore Plus Size Formal Dresses

Searching for plus size formal dresses in Australia? One Honey Boutique brings together an extensive edit of plus size formal gowns, curve dresses and plus size evening wear from leading Australian and international designers.

Our collection includes styles across selected extended sizing up to USA 18–24, with individual size availability varying by designer and gown. Explore elegant A-lines, fitted silhouettes, structured corset gowns, mermaid dresses and dramatic ball gowns for milestone occasions.

Discover plus size formal dresses featuring satin, stretch fabrics, sequins, crystals, beading, corsetry and statement embellishments, alongside sleek minimalist gowns and classic evening silhouettes.

Shopping for plus size formals or school formal? Explore dresses designed for Year 10, Year 11 and Year 12 formal events, graduation celebrations and other milestone occasions, with options ranging from elegant fitted gowns to sparkling statement looks.

Looking for plus size prom dresses? Discover glamorous formal gowns and ball gowns suited to prom, school formal and major evening events, including classic silhouettes and statement designs made for an unforgettable entrance.

For black-tie events, galas and evening occasions, our plus size evening dresses include sophisticated gowns in sleek satin, structured fabrics, sparkling finishes and dramatic floor-length silhouettes.

Prefer the term curve formal dresses? One Honey's curve collection is part of this same extended-size formalwear edit, bringing together statement gowns and evening dresses across a wider range of sizes without creating a separate competing collection.

Choosing the right formal gown starts with fit rather than the number on the label. Formalwear sizing can vary significantly between designers, so always compare your measurements with the individual product size guide before selecting your gown.

Corset dresses are particularly popular across our curve formal collection. Structured bodices and adjustable lace-up backs can provide flexibility and support, while fitted stretch styles, flowing A-lines and ball gowns offer different silhouettes depending on the look you love.

Want to shop in person? A selection of our plus size and curve formal dresses is available to try at our Gold Coast showroom. Showroom availability varies by style, colour and size, so check availability before planning your fitting.

Explore our complete formal dresses Australia collection for even more designer gowns, or browse our prom dresses for statement formalwear across our wider range.

Complete your formal look with our formal jewellery, clutch bags and formal accessories.

One Honey ships throughout Australia, including Brisbane, Sydney, Melbourne, Adelaide, Perth, Canberra, Gold Coast and regional destinations, with worldwide delivery also available.

Proudly Australian owned since 2011 with over 1,000+ 5-star reviews, One Honey Boutique is a trusted destination for designer formalwear, including an extensive range of plus size and curve formal dresses.

Need help choosing your size, checking availability or ordering for a specific event date? Visit our Help Centre for sizing, shipping and ordering guidance.

Shop with flexible payment options including AfterPay & Zip.

Find your plus size formal dress at One Honey Boutique — curve gowns, evening dresses and statement formalwear for your biggest occasions.

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ONLINE EXCLUSIVEUSA SIZE 2XS - 2XLMC Chic NOEMIE Champagne Satin Cross Halter Corset Bustier Leg Split Formal Dress in Australia | One Honey Boutique
ONLINE EXCLUSIVEUSA SIZE 2XS - 2XLMC Chic PRISA Peri Satin Strapless Corset Bustier Leg Split Formal Dress in Australia | One Honey Boutique
ONLINE EXCLUSIVEUSA SIZE 2XS - 2XLMC Chic ZAYDA Red Satin Corset Bustier Leg Split Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TK107 Black & Nude Sequin Off The Shoulder Midi Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVAILABLEAUS SIZE 6 - 18Sold outSave 83%Honey Couture CLAUDIA Navy Sequin Mermaid Formal Gown in Australia | One Honey Boutique
Honey Couture CLAUDIA Navy Sequin Mermaid Formal Gown Sale priceFrom $99.00 AUD Regular price$569.95 AUD
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USA SIZE 2 - 18CECE Off White Satin Off The Shoulder Corset Bustier Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TK210 Floral Pink Patterned Bustier Ball Gown Formal Dress in Australia | One Honey Boutique
IN STOCKDISCONTINUEDSALESave 19%STACY Halter Tie Up Bum Ruching Mermaid Formal Prom Dress in Australia | One Honey Boutique
Color
USA SIZE 2 - 24DREYA Off White Glitter Corset Ball Gown Formal Dress in Australia | One Honey Boutique
Color
USA SIZE 18 - 20Honey Couture ROSALIA Curve Lavender Silky A Line Formal Dress in Australia | One Honey Boutique
USA SIZE 2 - 18Honey Couture MIST Smokey Blue Glitter Off The Shoulder A - Line Formal Dress in Australia | One Honey Boutique
USA SIZE 2 - 24Honey Couture KARRISA Blue Glitter off the Shoulder A - Line Formal Dress in Australia | One Honey Boutique
USA SIZE 4 - 20DISCONTINUEDHoney Couture MYRTLE Black Sequin Beaded Off The Shoulder Mermaid Formal Dress in Australia | One Honey Boutique
USA SIZE XS - 4XLREAGAN Off White Beaded Tulle Skirt Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 22DISCONTINUEDSherri Hill 55230 Fuchsia Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 22Sherri Hill 55230 Royal Blue Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 22DISCONTINUEDSherri Hill 55230 Dark Emerald Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 18Sherri Hill 55230 Black Silky Strapless Diamante Detail Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 22DISCONTINUEDSherri Hill 55181 Red Lace Off the Shoulder Feather Detail Leg Split Formal Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 18DISCONTINUEDSherri Hill 55200 Light Blue Leaf Lace Embroidered Corset Mermaid Formal Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 18DISCONTINUEDSherri Hill 55253 Red Off the Shoulder Mikado Silky A Line Formal Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 000 - 18Sherri Hill 55010 Bright Fuchsia Silky Jersey Open Back Leg Split Mermaid Formal Dress in Australia | One Honey Boutique
USA SIZE XS - 3XLDISCONTINUEDSave 30%Honey Couture PATRISHA Blush Long Sleeve Beaded Tulle Formal Gown Dress in Australia | One Honey Boutique
PATRISHA Blush Long Sleeve Beaded Tulle Formal Gown Dress Sale priceFrom $559.96 AUD Regular price$799.95 AUD
Color
ONLINE EXCLUSIVEUSA SIZE XS - 3XLAMBROSIA Blush Sequin Beaded Strap Tulle Frilly Party Dress in Australia | One Honey Boutique
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ONLINE EXCLUSIVEUSA SIZE XS - 3XLERIN Smokey Blue Sequin V Front Tulle Frilly Party Dress in Australia | One Honey Boutique
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ONLINE EXCLUSIVEUSA SIZE 0 - 24Save 30%Portia & Scarlett PS21208 Lilac Purple Strapless Sequin Mermaid Formal Gown in Australia | One Honey Boutique
Portia & Scarlett PS21208 Lilac Purple Strapless Sequin Mermaid Formal Gown Sale priceFrom $510.96 AUD Regular price$729.95 AUD
Color
AUS SIZE 2 - 24Tina Holly Couture BB018F Plum 3D Sequin Mermaid Sweet - Heart Neckline Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BB018F Navy 3D Sequin Mermaid Sweet - Heart Neckline Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BB018F Emerald Green 3D Sequin Mermaid Sweet - Heart Neckline Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BA666 Wine Sequin Overlay With A Deep V Neckline Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BA666 Navy Sequin Overlay With A Deep V Neckline Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BB003 Tearose Plunge Neckline And Open Low Back A - Line Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BB003 Wine Plunge Neckline And Open Low Back A - Line Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BB003 Emerald Plunge Neckline And Open Low Back A - Line Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BB003 Navy Plunge Neckline And Open Low Back A - Line Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BB003 Ice Blue Plunge Neckline And Open Low Back A - Line Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BB003 Red Plunge Neckline And Open Low Back A - Line Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TK305 Indigo Silky Long Sleeved Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TK305 Burgundy Silky Long Sleeved Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TK305 Emerald Green Silky Long Sleeved Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BA666 Silver Sequin Overlay With A Deep V Neckline Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW004 Wine Lace Up Back Silky Satin Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW004 Ice Blue Lace Up Back Silky Satin Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW004 Emerald Lace Up Back Silky Satin Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW004 Champagne Lace Up Back Silky Satin Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW004 Golden Rust Lace Up Back Silky Satin Formal Gown in Australia | One Honey Boutique
AUS SIZE 6 - 16Save 30%Honey Couture DITA Black Lace Up Corset Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture DITA Black Lace Up Corset Mermaid Formal Dress Sale priceFrom $321.96 AUD Regular price$459.95 AUD
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USA SIZE 4 - 24Honey Couture TYRA Off White Corset Bustier Leg Split Formal Dress (RED TAG FINAL SALE) in Australia | One Honey Boutique
Color

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Plus Size Formal Dresses Australia

✨ NEED HELP CHOOSING YOUR DRESS? ✨

Need help with sizing, delivery, ordering or planning for your event? Visit our Help Centre to shop with confidence — explore sizing & fit advice, ordering guides, Dress Registration, Virtual Try-On, customer resources & more.