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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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MOTHER OF THE BRIDEAUS SIZES 12-22Trellis Lane BENNI Off Shoulder Floral Maxi Mother of the Bride Dress in Australia | One Honey Boutique
USA SIZE XS - 3XLMADE TO ORDERONLINE EXCLUSIVENEW ARRIVALJERRI Off Shoulder Quinceañera Ball Gown with Corset & Bow in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - 2XLNEW ARRIVALSave 50%STACY Halter Tie Up Bum Ruching Mermaid Formal Prom Dress in Australia | One Honey Boutique
STACY Halter Tie Up Bum Ruching Mermaid Formal Prom Dress Sale priceFrom $214.98 AUD Regular price$429.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED FINAL SIZES AVAILABLEAUS SIZE 6 - 16Save 78%Honey Couture STEVIE Satin Corset Back Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture STEVIE Satin Corset Back Mermaid Formal Dress Sale priceFrom $99.00 AUD Regular price$459.95 AUD
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USA SIZE 0 - 16LOLITA Sequin Fitted Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 16MARTINA Strapless Crystal Bust Mermaid Prom Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 18MARISOL Couture Flower One Shoulder Corset Mermaid Prom Dress in Australia | One Honey Boutique
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USA SIZE 4 - 18ASTER Couture Off Shoulder Beaded Mermaid Evening Gown in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE 0 - 16Evandria Satin Strapless A - line Prom & Formal Gown in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE S - XLDISCONTINUEDINNA Satin Box Pleat A Line Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 6 - 20MAIE Couture Black & Nude Illusion Mesh Evening Formal Gown in Australia | One Honey Boutique
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USA SIZE 0 - 18ADRIANA Beaded Bodice Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18MINIVA Strapless Couture Corset Bodice Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XL USAVISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUEDPATEL A Line Satin Ball Gown Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE 2 - 20BERLIN Strapless Asymmetrical Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONOVER 16 MILLION VIEWS ON TIKTOKUSA SIZE 18 - 24CURVE SIZEJUANITA Curve Strapless Rhinestone Corset Fitted Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 2XLROXANA Mesh Insert Silky Corset Back Prom Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 2XLDEVIKA Strapless Side Sash Satin Semi Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 2XLDELANY Ruched Corset Back Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 3XLMARIELLE Satin A - Line Bridesmaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 18ELERA Hand Appliqué Corset Back Tulle A - Line Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 4 - 24FRANCIS Off Shoulder Satin Bridesmaid Prom Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 18HEIDRE Off Shoulder Draped Bodice Fitted Formal & Prom Dress in Australia | One Honey Boutique
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USA SIZE 2 - 20GUSTAVO Couture Beaded Mesh Corset Mermaid One Shoulder Prom & Formal Gown in Australia | One Honey Boutique
USA SIZE 0 - 16Sold outLEANNE Couture Strapless V Bust Tulle & Bead Fitted Prom & Formal Gown in Australia | One Honey Boutique
USA SIZE XS - 3XLMADE TO ORDERONLINE EXCLUSIVEDARIN Off Shoulder Floral Applique Quinceañera Ball Gown Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 3XLFLORIS Chiffon Corset Scarf Bridesmaid Semi Formal Dress in Australia | One Honey Boutique
USA SIZE 6 - 18JEANNE Couture Off Shoulder Tulle & Bead Fitted Prom & Formal Gown in Australia | One Honey Boutique
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USA SIZE XXS - XLCRISTINA Chiffon Halterneck Semi Formal Bridesmaid Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 2XLMARELLA Glitter Shimmer Corset Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 16SUSANNA Beaded Bodice Couture Strapless Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 3XLTAMERA Strapless Satin Fitted Prom & Semi Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 3XLANGELA Sequin Off Shoulder Silky Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 3XLANTONELLA Satin Corset Fitted Prom & Semi Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 16HILDA Off White Strapless Chiffon Affordable Bridal & Debutante Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 0 - 16HILDA Strapless Chiffon Corset Prom Bridesmaid & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 3XLOLISIA Off Shoulder Elegant Bridesmaid Semi Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 3XLEVELISSE Strapless Chiffon Neck Sash Bridesmaid Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE S - 3XLKAMILA Silky Strapless Corset Prom & Semi Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE S - 3XLAMARIA Silky Off Shoulder Prom & Semi Formal Dress in Australia | One Honey Boutique
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MOTHER OF THE BRIDEAUS SIZE 6 - 24Trellis Lane ELOISA Off Shoulder Gown Mother of the Bride Dress in Australia | One Honey Boutique
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MOTHER OF THE BRIDEAUS SIZE 6 - 24Trellis Lane ANTONIA Maxi Mother of the Bride Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 2XLELSIE Corset Top Neck Sash Satin A Line Formal Gown in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 16OHCK2405 Beaded Strapless Corset Bodice Prom & Formal Gown in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLOH3080 Strapless Long Prom Beaded Lace Mermaid School Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLOH3095 A Line Floral Evening School Formal Prom Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLOH3083 Strapless Puff Sleeve Formal Floral Glitter Prom Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLOH3090 A Line Long Formal Floral Glitter Prom Formal Dress in Australia | One Honey Boutique
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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.