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Plus Size Formal Dresses Australia

Shop plus size formal dresses in Australia — flattering, confidence-boosting styles for school formal, prom, and evening events.

Discover curve formal gowns designed to support, shape, and celebrate every silhouette.

Our inclusive collection is designed to ensure every customer finds a dress that fits beautifully and feels incredible.

Explore Plus Size Formal Dresses

At One Honey Boutique, our plus size formal dresses in Australia are curated with expert fit, premium fabrics, and flattering silhouettes.

Perfect for Year 12 formal, prom, and evening events, these gowns are designed to enhance your shape while providing comfort and support.

Explore styles from our Femme Curves collection, created specifically for curve and plus size customers.

Browse our full formal dresses in Australia collection or explore trending styles like corset formal dresses.

Australia’s Largest Dress Register ensures your gown remains unique at your event.

We offer flexible payment options and personalised support via our Help Centre.

Book your showroom appointment to try your favourites in-store.

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WHY SHOP WITH ONE HONEY
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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 6 - 18STELLARA Mermaid Leg Split Glitter Embellishment Prom & Formal Dress in Australia | One Honey Boutique
USA SIZE 6 - 18KEIR One Shoulder Embellished Floral Applique Prom & Evening Gown in Australia | One Honey Boutique
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USA SIZE 8 - 22SARITA Long Sleeve 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 0 - 18GREIG Beaded Pearl Applique Thin Strap Tulle A Line Prom & Formal Dress in Australia | One Honey Boutique
USA SIZE 0 - 16FIFE Lace Applique Tulle A Line Prom & Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18RESTORA Couture Beaded Diamante Overskirt Formal Prom Evening Dress in Australia | One Honey Boutique
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ONLINE EXCULSIVEUSA SIZE 2 - 16Sold outAILIS Off Shoulder Floral Overlay Fitted Mermaid Prom 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 STOCKDISCONTINUEDOn saleSARIA 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 STOCKDISCONTINUEDSALESold outOn saleROCO 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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USA SIZE 16 - 26DISCONTINEDREBEL Curve Glitter Off The Shoulder Corset A - Line Formal Dress in Australia | One Honey Boutique
IN STOCKDISCONTINIUEDSave 20%RAVEN 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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DISCONTINUEDIN STOCKSold outOn saleBELLA AMORE Platinum Silver Beaded Overskirt Formal Dress in Australia | One Honey Boutique
BELLA AMORE Platinum Silver Beaded Overskirt Formal Dress Sale priceFrom $743.95 AUD Regular price$929.95 AUD
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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 6 - 20Sold outALEDA Lace Applique Off Shoulder Tulle A LIne Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18JAŠA Embellished Crystal Tulle A Line Prom & Formal 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 STOCKDISCONTINUEDSALESold outOn saleLIVIA 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 STOCKDISCONTINUEDSALEOn saleTHEA 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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Sold outROSINE 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 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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DISCONTINUED FINAL SIZES AVAILABLEUSA SIZE 4 - 24CHARLISE A Line Diamante Sequin Ballgown Formal Dress in Australia | One Honey Boutique
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IN STOCKDISCONTINUEDSALESave 50%ARIANA Shimmer Off Shoulder Ballgown Formal Dress in Australia | One Honey Boutique
ARIANA Shimmer Off Shoulder Ballgown Formal Dress Sale priceFrom $399.95 AUD Regular price$799.95 AUD
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AUS SIZE 6 - 18DISCONTINUED FINAL SIZES AVAILABLEHoney Couture MIA Sequin Open Back Formal Gown in Australia | One Honey Boutique
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USA SIZE 8 - 18Sold outADELA Tulle Diamante Feature Romantic A Line Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 18JASMINA One Shoulder Satin A Line Bridesmaid Dress in Australia | One Honey Boutique
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VISIT OUR GOLD COAST STORE TO TRY ONUSA SIZE 2 - 18TIFFANY Strapless Satin Bridesmaid Semi Formal Dress with Sash in Australia | One Honey Boutique
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USA SIZE 2 - 24ALENA Tie Strap A - Line Floral Printed Bridesmaid Dress in Australia | One Honey Boutique
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USA SIZE 0 - 16Save 30%AMARA Satin Diamanté Detail Off The Shoulder Formal Dress in Australia | One Honey Boutique
AMARA Satin Diamanté Detail Off The Shoulder Formal Dress Sale priceFrom $370.95 AUD Regular price$529.95 AUD
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IN STOCKDISCONTINUEDSALEOn saleKAY Silky A Line Bridesmaid Semi Formal Dress in Australia | One Honey Boutique
KAY Silky A Line Bridesmaid Semi Formal Dress Sale priceFrom $440.95 AUD Regular price$629.95 AUD
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Frequently Asked Questions

Plus Size Formal Dresses Australia

Need help with your order or planning ahead for formal season? Browse our Help Centre for answers about sizing, shipping, returns, and our Dress Registration policy.

📅 New to formal shopping? Read our How to Order Your Formal Dress guide for timelines, made-to-order info, and tips to avoid last-minute stress.

💸 Shop Sale Gowns from $99

🏬 Visit our Gold Coast Showroom

📲 Try our Virtual Try-On App

Still unsure? Contact Us — our friendly team is here to help you shine ✨