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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 XS - 3XLOH3109 Off Shoulder Glitter 3D Floral Applique Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLOH3204 Prom Long Tiered A Line School Formal Prom Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLISADORA Long A Line Sequin Lace School Formal Prom Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLKIMORA Strapless Sequin Fitted Satin Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 4XLPRIA Lace & Applique Shimmer Corset Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 16RYELA Couture Hand Beaded Embellished A LIne Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 18NYELA Couture Hand Beaded Embellished Bodice Strapless Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLSold outTAMARA Satin A Line Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 4 - 20Sold outBRINNA Beaded Coset Bodice Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 2XLSASKIA Lace & Applique Corset Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 4 - 18Sold outCONNIE Lace & Applique Corset Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18VIOLA One Shoulder Couture Beaded Corset Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 4 - 18KELII Lace & Applique Feature Satin Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 4 - 22Sold outESTHER Corset Silky Satin Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 18 - 22CURVE SIZEEVON Curve Satin & Lace Bustier Fitted Formal & Prom Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 18 - 22CURVE SIZECLEO Curve Satin Bustier Corset Silky A Line School Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 18 - 22CURVE SIZESIREN Curve Silky Lace Bustier Corset Mermaid Formal Prom Dress in Australia | One Honey Boutique
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USA SIZE 16 - 18CURVE SIZEROZILLA Curve Crystal Fringe Feature Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLHELMA Lace Silky Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLMORGANA Strapless Silky Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 4 - 18Sold outASTRID Beaded Strapless Corset Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA XS-2XLJORJA Corset Deep V Front Sequin & Glitter Leg Split Trumpet Prom Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 4 - 20Sold outLARNI Lace Keyhole Back Fitted Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 4 - 20Sold outTERENA Strapless Sheer Lace Corset Back A Line Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 4 - 20JORDELLA Lace Corset Back Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLTANISHA Tulle Glitter Frilly A Line Prom & Formal Ball Gown in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLSold outZARLIA Lace Corset Back Silky Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 3XLNIKKITA Lace Corset Back Shimmer Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA 4-20Sold outKEELEY Lace Corset Strapless Silky A Line Prom Dress in Australia | One Honey Boutique
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USA SIZE 16 - 22CURVE SIZEVISIT OUR GOLD COAST STORE TO TRY ONMIKAYLA Curve Embellished Lace Sequin Satin Fitted Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 18 - 24CURVE SIZELUCIANO Curve Embellished Crystal Bodice Fitted Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE XXS - 2XLJAZMINA A Line Glitter Shimmer Prom & Semi Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 2XLMOLLY V Front A Line Glitter Shimmer Prom & Semi Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 18KORVA Couture Crystal & Pearl Beaded Fitted Formal Evening Dress in Australia | One Honey Boutique
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USA SIZE 0 - 18KOLVAR Couture Crystal Beaded Fitted Formal Evening Dress in Australia | One Honey Boutique
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USA SIZE 8 - 22MEREDITH Long Sleeve Mother of Groom Bride A Line Evening Gown in Australia | One Honey Boutique
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USA SIZE 18 - 24CURVE SIZEBAHA Curve Dazzling Rhinestone Fitted Mermaid Prom & Formal Dress in Australia | One Honey Boutique
USA SIZE 4 - 18NALAEA Embellished Strapless Sequin Fitted Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 14EDNA Embellished Sleeve Mother of Groom Bride A Line Evening Gown in Australia | One Honey Boutique
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USA SIZE 18 - 24CURVE SIZEMERSIJE Curve Strapless Rhinestone Corset Fitted Prom Evening Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture BA999 Sequin & Lace Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 24Tina Holly Couture TK121 Fitted Leg Split Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK102 Sequin Corset Mesh Fitted Prom Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK315 One Shoulder A - Line Midi Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK311 Sequin A - Line Skirt Formal Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK010 One Sleeve Glitter Formal Gown in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK055 One Shoulder Formal Gown in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly TK047 Sequin Strapless Tea - Length 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.