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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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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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AUS SIZE 2 - 24TINA HOLLY TK801 VALENTINE Mikado Tulle Ball Gown Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24TINA HOLLY TE706 VALERIE Mikado Corset Ball Gown Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24TINA HOLLY TE708 SOLARINE Embroidered Tulle A - Line Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24TINA HOLLY TZ601 NARELLE Organza Jacquard A - Line Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture Eloria TW613 Prom Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TW612 Azura Mermaid Prom Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Celeste TW610 Tulle A Line Prom Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Aurielle TW618 Prom Formal Dress in Australia | One Honey Boutique
Aurielle TW618 Prom Formal Dress Sale priceFrom $680.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 18Sold outJESSA Lace Corset Bustier Satin A Line Prom Formal Dress in Australia | One Honey Boutique
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AUS SIZES 6-16Selene Black Lace Midi Dress by Georgy Collection in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 3XLNEW ARRIVALSGISELLA Multi - Way Halter Fitted Formal & Bridesmaid Gown in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 3XLNEW ARRIVALSNIVIERA Halter Neck Fitted Formal & Evening Dress in Australia | One Honey Boutique
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MOTHER OF THE BRIDEAUS SIZES 10-22Trellis Lane CHARLOTTA Hi - Lo Maxi Mother of the Bride Dress in Australia | One Honey Boutique
USA SIZE 18 - 24NEW ARRIVALSARLENE Curve One Shoulder Fitted Formal Dress in Australia | One Honey Boutique
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USA SIZE 18 - 24NEW ARRIVALSMILDRED Curve Fit & Flare Beaded Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 20NEW ARRIVALSMEAGAN A-Line Sweetheart Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 16NEW ARRIVALSWILDA Fitted Sweetheart Beaded Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE 2 - 16NEW ARRIVALSADDIE Fitted Sweetheart Crystal Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE 0 - 16NEW ARRIVALSKEISHA Couture Sequin Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLMADE TO ORDERONLINE EXCLUSIVEMELBA Strapless Sweetheart Floral Quinceañera Ball Gown in Australia | One Honey Boutique
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USA SIZE 0 - 16NEW ARRIVALSMILDRED Mermaid Sweetheart Beaded Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE S - 4XLNEW ARRIVALBETRA Off - The - Shoulder Mermaid Evening Gown in Australia | One Honey Boutique
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USA SIZE S - 4XLNEW ARRIVALGRETA Sequin Lace Fitted Evening Dress with Chiffon Cape in Australia | One Honey Boutique
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USA SIZE M - 3XLNEW ARRIVALLORRAINE Off - The - Shoulder Mermaid Evening Dress in Australia | One Honey Boutique
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USA SIZE S - 3XLNEW ARRIVALCHRISTIE Deep V Glitter A - Line Evening Dress in Australia | One Honey Boutique
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USA SIZE S - 3XLNEW ARRIVALDELORIS Off - Shoulder Iridescent Mermaid Evening Dress in Australia | One Honey Boutique
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USA SIZE S - 4XLNEW ARRIVALMALINDA Sweetheart Glitter Tulle A - Line Evening Dress in Australia | One Honey Boutique
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USA SIZE S - 4XLNEW ARRIVALAIMEE Off - the - Shoulder Sequin Lace Mermaid Evening Dress in Australia | One Honey Boutique
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USA SIZE S - 4XLDISCONTINUEDTAMMY Draped Sequin Flutter Sleeve Fitted Evening Dress in Australia | One Honey Boutique
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USA SIZE XXS - 3XLNEW ARRIVALRONDAH Off The Shoulder Mermaid Corset Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XXS - 3XLNEW ARRIVALSILVIA Elegant Lace Fitted Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE XXS - 3XLNEW ARRIVALGAYLE One - Shoulder Chiffon Fitted Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XXS - 3XLIVY Lace - Up Corset Chiffon Fitted Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE XXS - 3XLLAVONNE Strapless Sequin Fitted Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE XXS - 3XLELNORA Fitted Satin Lace - Up Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XXS - 3XLNEW ARRIVALLETHA Halter Satin Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE 0 - 20NEW ARRIVALCATHLEEN Asymmetric Satin Fitted Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE 2 - 18NEW ARRIVALGEORGETTE Off - Shoulder Beaded Corset Fitted Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 24NEW ARRIVALTHEODORA One - Shoulder Beaded Chiffon A - Line Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 24NEW ARRIVALLULU One - Shoulder Pleated Chiffon A - Line 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.