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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 XS - 2XLSold outAERYN Sequin Holographic Leg Split Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 2XLKACEY Lace Applique Bustier Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 2XLSold outMARLI Strapless Diamante Corset Top Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLTASHA Off Shoulder Sheer Bodice Tulle Lace Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLSold outLINDSAY Off Shoulder Sheer Embroidery Fitted Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLMARIA JOSE Off Shoulder Illusion Bodice Corset Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLSold outMARIANA Corset Back Glitter Mesh A LIne Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - 3XLSold outCAMILA Thin Strap Tulle Layered Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 18AUDRINA Off Shoulder Sequin Bodice Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 6 - 20KIRSTEEN Sequin Embellished Mother of Groom Bride Evening Gown in Australia | One Honey Boutique
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USA SIZE 2 - 18TIFFANY Strapless Satin Debutante Bridal Wedding & Formal Dress with Sash in Australia | One Honey Boutique
USA SIZE 2 - 18RESTORA Couture Beaded Diamante Overskirt Formal Prom Evening Dress in Australia | One Honey Boutique
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USA SIZE 4 - 18YARA Off The Shoulder Sequin Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 24DISCONTINUEDVIANNE Glitter Tulle A - Line Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 20DISCONTINUEDTWYLA Strapless Silky Mermaid Formal Dress with Gloves in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSave 20%SARIA Off Shoulder Shimmer Ballgown Prom & Formal Dress in Australia | One Honey Boutique
SARIA Off Shoulder Shimmer Ballgown Prom & Formal Dress Sale priceFrom $639.95 AUD Regular price$799.95 AUD
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IN STOCKDISCONTINUEDSALESave 14%ROCO Curve Silky Off The Shoulder Mermaid Formal Dress in Australia | One Honey Boutique
ROCO Curve Silky Off The Shoulder Mermaid Formal Dress Sale priceFrom $510.95 AUD Regular price$729.95 AUD
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IN STOCKDISCONTINUEDSave 20%REAGAN Beaded Applique Tulle A Line Formal Dress in Australia | One Honey Boutique
REAGAN Beaded Applique Tulle A Line Formal Dress Sale priceFrom $639.96 AUD Regular price$799.95 AUD
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USA SIZE 16 - 26DISCONTINEDREBEL Curve Glitter Off The Shoulder Corset A - Line Formal Dress in Australia | One Honey Boutique
IN STOCKDISCONTINIUEDOn saleRAVEN Sequin Beaded Strapless Mermaid Formal Dress in Australia | One Honey Boutique
RAVEN Sequin Beaded Strapless Mermaid Formal Dress Sale priceFrom $527.96 AUD Regular price$659.95 AUD
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VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUEDUSA SIZE 2 - 18PIA Black Lace Bustier Stretch Satin Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 24Save 30%RIVER Curve Paris Blue Off Shoulder Mermaid Formal Dress in Australia | One Honey Boutique
RIVER Curve Paris Blue Off Shoulder Mermaid Formal Dress Sale priceFrom $510.96 AUD Regular price$729.95 AUD
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IN STOCKDISCONTINUEDLAURA Iridescent Sequin Tie Back Ballgown Formal Dress in Australia | One Honey Boutique
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ONLINE EXCLSUIVEUSA SIZE 4 - 18GOSSIP Rose Gold Corset Glitter Feather Off Shoulder Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 24Save 30%ROMY Silky Off Shoulder Mermaid Prom Formal Dress in Australia | One Honey Boutique
ROMY Silky Off Shoulder Mermaid Prom Formal Dress Sale priceFrom $384.96 AUD Regular price$549.95 AUD
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USA SIZE 4 - 18IRINA Neck Sash Tie Chiffon Bridal & Wedding Debutante Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18KAŠA Embellished Pearl & Crystal Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 20VISIT OUR GOLD COAST STORE TO TRY ONALLANA Satin Fitted Sash Feature Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE 0 - 18NAJASTA Fitted Satin & Lace Appliqué Bustier Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 18DANKA Strapless Satin Bustier Prom & Formal Ball Gown in Australia | One Honey Boutique
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USA SIZE 2 - 18KATORINA Strapless Beaded Bustier Tulle Ball Gown in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALESave 0%LIVIA Baby Blue Silver Glitter Ball Gown Formal Dress in Australia | One Honey Boutique
LIVIA Baby Blue Silver Glitter Ball Gown Formal Dress Sale priceFrom $559.95 AUD Regular price$799.95 AUD
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VISIT IN OUR GOLD COAST SHOWROOMUSA SIZE 4 - 20LEILANI Off Shoulder Silky Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18NORAH Satin Asymmetrical Strapless Mermaid Prom & Formal Dress in Australia | One Honey Boutique
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NELLIE Deep V Front Silky A Line Bridesmaid Formal Dress in Australia | One Honey Boutique
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USA SIZE 4 - 16DISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGHARLEY Bustier Velour Corset Mermaid Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALESave 30%THEA Off The Shoulder Glitter Ball Gown Formal Dress in Australia | One Honey Boutique
THEA Off The Shoulder Glitter Ball Gown Formal Dress Sale priceFrom $559.95 AUD Regular price$799.95 AUD
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ROSINE Silky A Line Formal Dress in Australia | One Honey Boutique
ROSINE Silky A Line Formal Dress Sale priceFrom $649.95 AUD
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DISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - 3XLINGRID Off the Shoulder Velour Mermaid Formal Dress in Australia | One Honey Boutique
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USA SIZE XXS - 3XLDALPHINE Sequin Lace Tulle Frilly Party Semi Formal Dress in Australia | One Honey Boutique
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CARMEN Lace Applique Chiffon Bridesmaid Formal Dress in Australia | One Honey Boutique
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DISCONTINUED FINAL SIZES AVAILABLEUSA SIZE XS - 3XLCALLIE Lace Bustier Corset Style Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XS - 4XLSALEDISCONTINUEDSave 50%ALLEGRA Off The Shoulder Sequin Lace Up Formal Dress in Australia | One Honey Boutique
ALLEGRA Off The Shoulder Sequin Lace Up Formal Dress Sale priceFrom $314.95 AUD Regular price$629.95 AUD
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USA SIZE XS - 2XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGOn saleADRIA Shimmer Strapless Formal Gown Dress in Australia | One Honey Boutique
ADRIA Shimmer Strapless Formal Gown Dress Sale priceFrom $99.00 AUD Regular price$629.95 AUD
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DISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 2 - 18JOYCE Glitter Corset Bustier Mermaid Semi Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 20IN STOCK FOR IMMEDIATE SHIPPINGSold outDEJA Lace Applique Corset Back Off Shoulder Ballgown in Australia | One Honey Boutique
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USA SIZE XS - 3XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGDEMIKA 3D Floral Applique Tulle Formal Gown Dress in Australia | One Honey Boutique
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USA SIZE XS - 2XLDISCONTINUED FINAL SIZES AVAILABLEIN STOCK FOR IMMEDIATE SHIPPINGCOVE Diamante Bustier Ruched 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.