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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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AUS SIZE 2 - 24Tina Holly Couture TK310 Glitter Formal Dress w Over Skirt in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK016 Off The Shoulder Satin Mermaid Fitted Prom Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK312 Sequin A - Line Tea Length Semi Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK313 Sequin Strapless Sweet Heart Neck Line A - Line Fit Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TE345 One Shoulder Satin Prom & Semi Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK271 Sequins Off Shoulder Midi Dress with Sweetheart Neckline and Leg Split in Australia | One Honey
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AUS SIZE 2 - 24Tina Holly Couture Designer TK046 Sequin Formal Dress w Over Skirt in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK553 One Shoulder Lace Satin Prom Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK554 One Shoulder Lace Tulle Gown in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK241F Strapless Mikado Satin Ball Gown in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TY405 Lace Tulle Prom Gown in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TW500 Corset Cut Out Lace Tulle Gown in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK584 Off Shoulder Beaded 3D Lace Applique Gown in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK583 Off Shoulder Lace Applique Satin Mermaid Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TE516 Beaded Corset Fitted Prom & Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TE231 Off Shoulder Lace Tulle Formal Gown in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TH319 Strapless Fitted Satin Prom Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK583 Off Shoulder Lace Applique Satin Mermaid Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TE232 Off Shoulder Beaded Lace Tulle Gown in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TE514 Off Shoulder Lace Satin Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK551 Strapless Lace Corset Satin Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TF318F Long Sleeve 3D Lace Tulle Prom Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TK807 Strapless Beaded Lace Trumpet Prom Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 2XLSold outELLYN Mesh Corset Fitted Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLDISCONTINUED FINAL SIZES AVAILABLESold outMARCELLA Glitter Shimmer Corset Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 2XLCINDI Strapless Glitter Shimmer Prom & Semi Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 18GRACELYN Pearl Embellished Fitted Mermaid Formal & Prom Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 2XLSold outKAMAN Off Shoulder Corset Chiffon Fitted Prom & Semi Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 2XLAMAN Strapless Corset Chiffon Fitted Prom & Semi Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18KATHIE Off Shoulder Lace Applique Satin Fitted Formal & Prom Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 2XLVALERIE Corset Glitter Shimmer Fitted Prom & Semi Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 2XLSORAYA Corset Bustier Glitter A Line Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 18LAYLE Off Shoulder Couture Crystal Fitted Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18SYLAN Off Shoulder Couture Beaded Fitted Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 18 - 24CURVE SIZEOLYESA Curve Lace Embellished Beaded Couture Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 2XLHADYN Strapless Silky Bustier Fitted Prom & Semi Formal Dress in Australia | One Honey Boutique
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USA SIZE 4 - 20Sold outMARISOL Floral Lace A Line Tulle Formal Evening Dress in Australia | One Honey Boutique
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USA SIZE 4 - 20DISCONTINUEDMABELLE Lace Fitted Caplet Formal Evening Dress in Australia | One Honey Boutique
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USA SIZE 6 - 22KAYSEN Off Shoulder Couture Crystal Prom & Formal Evening Dress in Australia | One Honey Boutique
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USA SIZE 6 - 20WHITLY Long Sleeve Prom & Formal Evening Dress w Overskirt in Australia | One Honey Boutique
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USA SIZE 6 - 16NORA Beaded Couture Cape Prom & Formal Evening Dress in Australia | One Honey Boutique
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USA SIZE 0 - 18CELINE Couture Pearl Beaded Fitted Formal Prom Evening Dress in Australia | One Honey Boutique
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USA SIZE 6 - 20KAREN Embellished Cap Sleeve Mother of Groom Bride Evening Gown in Australia | One Honey Boutique
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USA SIZE XS - 4XLSOVIA Off Shoulder Beaded Corset Fitted Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 18DISCONTINUEDAMIRA Beaded Halter Neck Couture Prom & Formal Dress in Australia | One Honey Boutique
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ONLINE EXCLUSIVEUSA SIZE 6 - 22EMORY Beaded Long Sleeve Couture Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 18HALEEMA Strapless Couture Beaded Fitted Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 2XLSTEFANI Strapless Satin Fitted Prom & Semi 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.