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Long Formal Dresses Australia – Prom & Evening Gowns

Shop long formal dresses Australia loves — discover elegant floor-length prom gowns, school formal dresses & statement eveningwear from leading Australian & international designers.

Explore long formal gowns for Year 10, Year 11 & Year 12 formals, prom, graduations, balls, black-tie events & special occasions across fitted, flowing & statement silhouettes.

From sleek satin & sculpted corsets to dramatic mermaid gowns, romantic A-line skirts & sparkling embellishment, discover a floor-length formal dress made for your moment.

Explore Long Formal Dresses

Searching for long formal dresses in Australia? One Honey Boutique curates designer floor-length formal gowns, prom dresses, school formal dresses & eveningwear for unforgettable events.

A long formal dress creates an elevated silhouette for Year 10, Year 11 & Year 12 formals, prom, graduation, university balls, galas, black-tie events, weddings & milestone celebrations.

Explore long formal gowns across fitted, mermaid, A-line, corset, strapless, backless & flowing silhouettes, with selected styles featuring satin, sequins, glitter, crystals, beading, tulle & statement embellishment.

Love a fitted floor-length silhouette? Explore our fitted formal dresses, or browse our mermaid formal dresses for sculpted gowns with dramatic skirts.

Prefer a romantic flowing gown? Discover our A-line formal dresses for elegant silhouettes, or explore our tulle formal dresses for soft layers, movement & volume.

Love a structured bodice? Browse our corset formal dresses for sculpted bodices & defined waists, or explore our strapless formal dresses for statement neckline styles.

Looking for movement & drama? Explore our leg split formal dresses for long gowns featuring statement thigh-high & side splits.

Prefer a luxe finish? Discover our satin formal dresses for smooth, luminous gowns, or browse our sequin formal dresses for high-impact sparkle.

Looking for something shorter? Explore our midi formal dresses & short formal dresses to shop formalwear by length.

Shopping for a school formal? Explore our school formal dresses Australia collection for designer Year 10, Year 11 & Year 12 gowns across colours, silhouettes & finishes.

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

Selected One Honey styles also offer Virtual Try-On, helping you visualise eligible long formal dresses & 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 & selected designer styles across extended size ranges.

For our complete national formalwear edit, browse formal dresses Australia for designer prom, school formal & evening dresses across lengths, colours, silhouettes & designers.

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

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

Shop long formal dresses online with flexible payment options including Afterpay & Zip, with delivery available throughout Australia.

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

Make an unforgettable entrance — discover long formal dresses, floor-length prom gowns & designer eveningwear at One Honey Boutique.

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AUS SIZE 2 - 24Tina Holly Couture TW023 Lilac Purple Off Shoulder A Line Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW023 Ruby Red Off Shoulder A Line Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW024 Lilac Purple Corset Lace Glitter Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW024 Plum Purple Corset Lace Glitter Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW024 Red Corset Lace Glitter Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW024 Turquoise Corset Lace Glitter Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TW024 Royal Blue Corset Lace Glitter Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TQ036 Rose Pink Glitter One Shoulder Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TQ036 Silver Glitter One Shoulder Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TQ036 Black Nude Glitter One Shoulder Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TE820 Peacock Emerald Green Satin V Front Silky Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TE820 Berry Satin V Front Silky Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TE720 Peacock Emerald Green Satin Asymmetrical Strapless Silky Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TE720 Navy Blue Satin Asymmetrical Strapless Silky Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TE720 Berry Satin Asymmetrical Strapless Silky Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TW025 Ruby Red Glitter Formal Dress w Over Skirt in Australia | One Honey Boutique
USA SIZE XS - LHoney Couture NAOMI Black Sequin Pointy Strapless Mermaid Evening Dress in Australia | One Honey Boutique
USA SIZE XS - XLDISCONTINUED FINAL SIZES AVAILABLEHoney Couture MILEE Emerald Green Low Back Midi Dress in Australia | One Honey Boutique
USA SIZE 2 - 8Honey Couture RIO Black Halter Cut Out Beaded Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TH122 Sky Blue Silky Formal Gown in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture Designer TH122 Wine Red Silky Formal Gown in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TH122 Royal Blue Silky Formal Gown in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture Designer TH122 Emerald Green Silky Formal Gown in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture Designer TH122 Navy Blue Silky Formal Gown in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture Designer TH122 Red Silky Formal Gown in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture Designer TH122 Lilac Purple Silky Formal Gown in Australia | One Honey Boutique
USA SIZE XS - MSold outSave 0%Honey Couture CLEO Black & Gold Beaded Formal Gown in Australia | One Honey Boutique
Honey Couture CLEO Black & Gold Beaded Formal Gown Sale priceFrom $299.95 AUD Regular price$599.95 AUD
Color
IN STOCKDISCONTINUEDSALESave 20%Honey Couture CLEO White & Gold Beaded Formal Gown in Australia | One Honey Boutique
Honey Couture CLEO White & Gold Beaded Formal Gown Sale price$479.95 AUD Regular price$599.95 AUD
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USA SIZE 2 - 16Honey Couture FELICITY Pink & Black Iridescent Formal Gown in Australia | One Honey Boutique
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USA SIZE XS - 2XLHoney Couture RHEA Mulberry Purple Metallic Shimmer Formal Dress in Australia | One Honey Boutique
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USA SIZE S - LDISCONTINUEDHoney Couture ALLIE Navy Blue Silky Halter Neck Formal Dress in Australia | One Honey Boutique
USA SIZE S - LDISCONTINUEDHoney Couture SADIE Metallic Ruched Formal Dress in Australia | One Honey Boutique
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USA SIZE 2 - 12Save 30%Honey Couture RAGINA Baby Blue Sparkle Glitter Formal Dress in Australia | One Honey Boutique
Honey Couture RAGINA Baby Blue Sparkle Glitter Formal Dress Sale priceFrom $559.96 AUD Regular price$799.95 AUD
Color
USA SIZE S - LHoney Couture MAGDELINA Navy Blue Strapless Ballgown Formal Dress in Australia | One Honey Boutique
USA SIZE S - LDISCONTINUEDHoney Couture RUBY Red Strapless Ballgown Formal Dress in Australia | One Honey Boutique
USA SIZE S - LDISCONTINUEDHoney Couture LEANA Blue Strapless V Front Ballgown Formal Dress in Australia | One Honey Boutique
USA SIZE XS - LHoney Couture KAIA Burgundy Sequin Bum Ruching Low Back Dress in Australia | One Honey Boutique
USA SIZE XS - LHoney Couture SAMARA Knot Feature Low Back Silky Mermaid Formal Gown in Australia | One Honey Boutique
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USA SIZE XS - LHoney Couture AZALIA Gold Silky Bustier Strapless Mermaid Formal Dress in Australia | One Honey Boutique
USA SIZE 2 - 10DISCONTINUEDSave 30%Honey Couture GRETCHEN Green Glitter Ball Gown Formal Dress in Australia | One Honey Boutique
GRETCHEN Green Glitter Ball Gown Formal Dress Sale priceFrom $559.96 AUD Regular price$799.95 AUD
Color
USA SIZE XS - LHoney Couture SIBYLLE Burgundy Silky Mermaid Formal Dress in Australia | One Honey Boutique
Color
USA SIZE XS - LHoney Couture SIBYLLE Emerald Green Silky Mermaid Formal Dress in Australia | One Honey Boutique
USA SIZE 2 - 16Honey Couture KAYLIE Blush Pink Shimmer Corset Lace Up Ballgown Formal Dress in Australia | One Honey Boutique
USA SIZE 2 - 10Honey Couture GRETCHEN Red Glitter Ball Gown Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - LDISCONTINUEDVICTORIA Red Sequin Beaded Low Back Formal Dress in Australia | One Honey Boutique
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USA SIZE XS - LDISCONTINUEDHoney Couture RIKKI Green Open Lace Up Back Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TK048 Navy Blue Sequin Midi Wedding Dress in Australia | One Honey Boutique
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AUS SIZE 2 - 24Tina Holly Couture TK048 White & Nude Sequin Midi Wedding Dress in Australia | One Honey Boutique
Color

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Long 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.