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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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USA SIZE 4 - 18NEW ARRIVALDaphne Crystal Beaded Corset Formal Gown with Cape in Australia | One Honey Boutique
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USA SIZE 4 - 18NEW ARRIVALDILARA Off Shoulder Quinceañera Glitter Tulle Ball Gown in Australia | One Honey Boutique
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USA SIZE 4 - 18NEW ARRIVALASTRID Pearl Embellished Halter Corset Formal Gown with Leg Split in Australia | One Honey Boutique
USA SIZE 4 - 18NEW ARRIVALCHANTELLE Square Neck Satin Formal Gown with Draped Waist in Australia | One Honey Boutique
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USA SIZE 4 - 18NEW ARRIVALELLIANA Strapless Beaded A-Line Formal Gown with Chiffon Skirt & Neck Scarf in Australia | One Honey Boutique
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USA SIZE 4 - 18NEW ARRIVALJOSLYN Beaded Mermaid Formal Gown with Detachable Overskirt & Puff Sleeves in Australia | One Honey Boutique
USA SIZE 2 - 18NEW ARRIVALBEVERLY Satin Two-Piece Strapless Corset Formal Gown in Australia | One Honey Boutique
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USA SIZE 2 - 16NEW ARRIVALEVELYN Satin Two-Piece Square Neck Corset Formal Gown in Australia | One Honey Boutique
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USA SIZE 2 - 18NEW ARRIVALSALESSANDRA Crystal Beaded Ball Gown with Glitter Tulle Skirt in Australia | One Honey Boutique
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USA SIZE 2 - 16NEW ARRIVALSSLOAN Crystal Beaded Corset Formal Gown with Detachable Overskirt in Australia | One Honey Boutique
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USA SIZE 2 - 16NEW ARRIVALTENESIA Glitter Corset Formal Gown with Side Sash in Australia | One Honey Boutique
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USA SIZE 0 - 14NEW ARRIVIALTASA Crystal Pearl Mini Party Dress in Australia | One Honey Boutique
TASA Crystal Pearl Mini Party Dress Sale priceFrom $489.95 AUD
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NEW ARRIVAL USA SIZE 4 - 18JANNAH Off Shoulder Embellished Fitted Prom & Formal Dress in Australia | One Honey Boutique
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NEW ARRIVAL USA SIZE 4 - 18ZANNA Sweetheart Floral A-Line Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLPRESILA Strapless Floral Print A-Line Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XXS - 3XLNEW ARRIVALS TRY ON AT OUR GOLD COAST SHOWROOMCHANTELLE Satin Halter Formal Gown in Australia | One Honey Boutique
CHANTELLE Satin Halter Formal Gown Sale priceFrom $409.95 AUD
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USA SIZE XXS - 2XLNEW ARRIVALS MAIZIE Satin Cowl Neck Formal Gown in Australia | One Honey Boutique
MAIZIE Satin Cowl Neck Formal Gown Sale priceFrom $289.95 AUD
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USA SIZE XXS - 2XLNEW ARRIVALS ZARA One Shoulder Satin Formal Gown in Australia | One Honey Boutique
ZARA One Shoulder Satin Formal Gown Sale priceFrom $409.95 AUD
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USA SIZE XXS - 2XLNEW ARRIVALS CEILE Satin Corset Formal Gown in Australia | One Honey Boutique
CEILE Satin Corset Formal Gown Sale priceFrom $409.95 AUD
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VISIT OUR GOLD COAST SHOWROOMUSA SIZE XXS - 2XLNEW ARRIVALS KARINE Satin Chiffon Formal Gown in Australia | One Honey Boutique
KARINE Satin Chiffon Formal Gown Sale priceFrom $409.95 AUD
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USA SIZE XXS - 2XLNEW ARRIVALS CORINNE Satin Chiffon Mini Party Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLNEW ARRIVALS TRY ON AT OUR GOLD COAST SHOWROOMODETTE Convertible Satin Formal Gown in Australia | One Honey Boutique
ODETTE Convertible Satin Formal Gown Sale priceFrom $439.95 AUD
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USA SIZE XXS - LNEW ARRIVALS YVETTE Satin Corset Mini Party Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLNEW ARRIVALS Violaine Sequin Satin Formal Gown in Australia | One Honey Boutique
VIOLAINE Sequin Satin Formal Gown Sale priceFrom $409.95 AUD
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USA SIZE XXS - 2XLNEW ARRIVALS ELAINE Sequin Satin Mini Party Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLNEW ARRIVALS LUCIENNE Satin Corset Formal Gown in Australia | One Honey Boutique
LUCIENNE Satin Corset Formal Gown Sale priceFrom $439.95 AUD
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USA SIZE XXS - 2XLNEW ARRIVALS ADRIENNE Satin Corset Mini Party Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLNEW ARRIVALS JEMMA Satin Corset Mini Party Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLNEW ARRIVALS VICTORINE Shimmer Corset Mini Party Dress in Australia | One Honey Boutique
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USA SIZE XXS - LNEW ARRIVALS LOUISE Hotstone Mesh Mini Party Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLNEW ARRIVALS AURORE Satin Lace Up Mini Party Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLNEW ARRIVALS MARGUAX Satin Corset Mini Party Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLNEW ARRIVALS SOLENE Lace Corset Ruffle Mini Party Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLNEW ARRIVALS ALETHA Pleated Chiffon Halter Mini Party Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLNEW ARRIVALS EMILE Satin Off Shoulder Corset Sash Mini Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOMUSA SIZE XXS - 2XLNEW ARRIVALEMMA Satin Corset Sem Formal & Bridesmaid Gown in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 16JESSENIA Floral Multi A - Line Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLURSULA Sequin & Mesh Bodice Satin Mermaid Prom Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLKIMBERLEY Sequin Glitter Corset Bodice Mermaid Prom Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLMADE TO ORDERONLINE EXCLUSIVENEW ARRIVALMARYAM Strapless Sweetheart Quinceañera Tulle Ball Gown in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 18 - 24ELMA Curve Beaded Glitter Corset Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24TINA HOLLY TW603 FIORENNE Taffeta Ball Gown Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24TINA HOLLY TW624 ROSALYN Organza Jacquard A - Line Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24TINA HOLLY TW600 MIRELLE Beaded Sequin Fitted Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24TINA HOLLY TE704P LIORA Mikado A - Line Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24TINA HOLLY TW607 SERENE Sequin Lace Mermaid Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24TINA HOLLY TW608 VIVIENNE Mikado High - Low Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24TINA HOLLY TK804 LUNARA Mikado A - Line 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.