Backless Formal Dresses Australia – Open Back Prom Gowns

Searching for backless formal dresses in Australia? One Honey Boutique curates designer backless dresses, open back prom gowns, school formal dresses and elegant eveningwear for unforgettable occasions.

Backless and open back formal dresses create statement detail from every angle, with designs ranging from dramatic low backs and open-back gowns to more subtle cut-out and strappy back details. Exact construction and coverage vary by individual dress.

Whether you're choosing a gown for a Year 10 formal, Year 11 formal, Year 12 formal, prom, graduation, university ball, gala, black-tie event, wedding or milestone celebration, explore backless gowns across fitted, mermaid, A-line, corset and flowing silhouettes.

Discover backless prom dresses and formal gowns featuring satin, sequins, glitter, crystals, beading, lace and luxe embellishments, alongside sleek minimalist designs and dramatic floor-length evening gowns.

Love a fitted, figure-defining silhouette? Explore our mermaid formal dresses for sculpted gowns and dramatic skirts, including selected styles with statement open-back detailing.

Prefer a structured bodice? Discover our corset formal dresses for sculpted corsetry and statement gowns, or browse our A-line formal dresses for an elegant flowing alternative.

Looking for another neckline or upper-body style? Explore our off the shoulder formal dresses and halter neck formal dresses for more ways to find your perfect formal look.

Prefer a sleek luxe finish? Browse our satin formal dresses, or discover sequin formal dresses for sparkling statement gowns.

Choosing your backless formal dress by colour? Explore dedicated collections including black formal dresses, red formal dresses, blue formal dresses, pink formal dresses and green formal dresses.

Shopping for your school formal or prom? One Honey is home to Australia's largest Dress Register, helping participating customers reduce the chance of another registered One Honey customer from the same school selecting the same dress for their event.

Shopping online? Selected One Honey styles offer Virtual Try-On, helping you visualise eligible backless formal dresses and available colours as part of your online shopping experience before choosing your gown.

Need extended sizing? Explore our plus size formal dresses Australia collection for curve formal gowns and selected designer styles across extended size ranges.

For our complete edit of colours, silhouettes and designer gowns, browse formal dresses Australia and discover One Honey's wider collection of school formal, prom and eveningwear.

Complete your backless formal look with our clutch bags, formal jewellery and formal accessories.

Proudly Australian owned and trusted since 2011 with over 1,000+ 5-star reviews, One Honey Boutique is a trusted destination for designer prom, school formal and occasion gowns across Australia.

Shop backless formal dresses online with Australia-wide delivery and flexible payment options including Afterpay and Zip available at checkout.

Need help choosing your size, checking availability or ordering for a fixed event date? Visit our Help Centre for sizing, delivery and shopping support before ordering.

Want to shop in person? Visit the One Honey Gold Coast showroom to explore selected designer formal dresses available to try on.

Shop backless formal dresses in Australia at One Honey Boutique — discover designer open back prom dresses, backless formal gowns and statement eveningwear for your unforgettable occasion.