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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 XXS - 3XLNEW ARRIVALBIANCA Off - White One - Shoulder Stretch Satin Mermaid Affordable Bridal Dress in Australia | One Honey Boutique
USA SIZE XXS - 3XLNEW ARRIVALBIANCA One - Shoulder Stretch Satin Mermaid Prom & Semi Formal Dress in Australia | One Honey Boutique
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USA SIZE XXS - 3XLJAZI Off - White Strapless Ruched Chiffon Fitted Affordable Bridal Dress in Australia | One Honey Boutique
USA SIZE XXS - 3XLJAZI Strapless Ruched Chiffon Fitted Column Bridesmaid & Formal Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE XXS - 2XLAMAN Off - White Strapless Chiffon Corset Fitted Affordable Bridal Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST SHOWROOM TO TRY ONUSA SIZE XXS - 3XLNEW ARRIVALALISTA Sweetheart Stretch Satin Fitted Prom & School Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 16NEW ARRIVALAUDRA Floral Appliqué Beaded Tulle Fitted Prom & School Formal Dress in Australia | One Honey Boutique
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ONLINE EXLUSIVEUSA SIZE 0 - 16ALMA Sweetheart Pleated Chiffon A - Line Bridesmaid & Formal Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLNEW ARRIVALRION Embellished Sheer Corset Satin Mermaid Prom & School Formal Dress in Australia | One Honey Boutique
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USA SIZE 0 - 14NEW ARRIVALARISTIA Couture Glitter Puff Sleeve Sequin Fitted Evening Dress in Australia | One Honey Boutique
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USA SIZE XXS - 2XLMARVA Strapless Corset Satin Mermaid Prom & School Formal Dress in Australia | One Honey
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USA SIZE 4 - 20NEW ARRIVALCURVE SIZESNOLAN One - Shoulder Cape Sleeve Crystal Fitted Evening Dress in Australia | One Honey Boutique
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USA SIZE 2 - 20NEW ARRIVALCURVE SIZESFLORENCIO Beaded Off - Shoulder Satin Evening Dress for Mother of the Bride in Australia | One Honey Boutique
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AUS SIZE 6 - 24Trellis Lane MACKENZIE Beaded Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane ORIANA Pencil Cocktail Evening Dress in Australia | One Honey Boutique
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AUS SIZE 6 - 24Trellis Lane JUNE Midi Sequin - Lace Overlay Crepe Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24 Trellis Lane ORIANA Strapless Draped Bodice Fitted Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane VENA Strapless Draped Bodice Fitted Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane ORIANA Asymmetric Flared Midi Cocktail & Event Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane NADINE Strapped Fitted Midi Cocktail & Formal Dress in Australia | One Honey Boutique
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AUS SIZE 6 - 24Trellis Lane CATHERINE Couture Hand - Beaded Sheath Evening Gown Formal Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane STASIA Strapless Fluted Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane STASIA Strapless Hi - Lo Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane LOTTA Strapless Pleated Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane MAZ Sequin Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane ANGIE Sequin Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane MARION Structured Pleated Satin Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane FAITH Metallic One - Shoulder Pencil Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane JANNIE Asymmetrical Broach Strap Evening Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane JUSTINA Strapless Sequined Midi Occasion Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane CHARLIE One - Shoulder Asymmetrical Evening Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane BRIONIE One - Shoulder Broach Strap Formal Gown in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane MISHY Draped Satin Low - Back Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane MISHY Satin Draped Cowl Maxi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane SHARI Sequin Embellished Formal Gown in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane FRANCESCA Beaded Embellished Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane ARITA Off Shoulder Structured Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane JOYCE Beaded Sheer Bodice Fitted Pencil Midi Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane COLLEEN One Shoulder Draped Sash Fitted Evening Gown in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane ANGELA Strapless Draped Mermaid Gown in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane GEORGIA Beaded Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane BAILEY Beaded Mesh Fitted Midi Cocktail Dress Navy in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane BAILEY Beaded Mesh Fitted Evening Gown Navy Formal Dress in Australia | One Honey Boutique
AUS SIZES 6 - 24Trellis Lane JAZZ Strapless Satin Flared Midi Cocktail Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane LIDIA Navy Sequin Long Sleeve Midi Dress in Australia | One Honey Boutique
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AUS SIZES 6- 24Trellis Lane CONNIE Ruched Strapless Midi Dress in Australia | One Honey Boutique
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AUS SIZES 6 - 24Trellis Lane NANCY Square Neck Ruched Long Sleeve Midi Dress in Australia | One Honey Boutique
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MOTHER OF THE BRIDEAUS SIZES 6–22Trellis Lane LIZZIE Puff Sleeve Midi Mother of the Bride 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.