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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 Connelly R1767 Pink Off Shoulder Bridesmaids Midi Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Connelly R1767 Navy Blue Off Shoulder Bridesmaids Midi Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TA611B Wine Strapless Ball Gown Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TA822 Rose Gold Sequin Mermaid Off the Shoulder Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TA361 Navy Blue Sequin Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer TH018 Blue Floral Ball Gown Formal Dress in Australia | One Honey Boutique
VISIT OUR GOLD COAST STORE TO TRY ONDISCONTINUED LAST SIZES AVAILABLEUSA SIZE 6 - 18Sold outOn saleHoney Couture SERENA Blue Strapless Mermaid Formal Dress in Australia | One Honey Boutique
Honey Couture SERENA Blue Strapless Mermaid Formal Dress Sale priceFrom $99.00 AUD Regular price$699.95 AUD
Color
USA SIZE XS - LSave 10%Honey Couture LILIANA White Sheer Formal Dress in Australia | One Honey Boutique
Honey Couture LILIANA White Sheer Formal Dress Sale price$386.95 AUD Regular price$429.95 AUD
Color
AUS SIZE 4 - 18Tina Holly Couture BA204 Beaded Pearls & Lace Long Sleeve Formal Dress in Australia | One Honey Boutique
AUS SIZE 4 - 18Tina Holly Couture BA003 Pink Pearl & Mesh Short Sleeve Formal Dress in Australia | One Honey Boutique
AUS SIZE 4 - 18Tina Holly Couture BA005 Navy Blue Pearl & Mesh Short Sleeve Formal Dress in Australia | One Honey Boutique
AUS SIZE 4 - 18Tina Holly Couture BA003 Pink Pearl & Mesh Formal Dress in Australia | One Honey Boutique
AUS SIZE 4 - 18Tina Holly Couture BA003 Navy Blue Pearl & Mesh Formal Dress in Australia | One Honey Boutique
AUS SIZE 6 - 18 Tina Holly Couture Designer TA815 Pink Floral Mesh Tea Dress in Australia | One Honey Boutique
AUS SIZE 6 - 18 Tina Holly Couture Designer BA111 Pink Satin Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 6 - 18 Tina Holly Couture Designer BA111 Blue Purple Satin Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TA823 Rose Gold Sequin Strapless Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TA823 Emerald Green Sequin Strapless Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TA361 Emerald Green Sequin Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TA007 Navy Blue Sequin Midi Cocktail Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture TA007 Champagne Sequin Midi Cocktail Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture TA007 Emerald Green Sequin Midi Cocktail Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer BA808 Navy Blue Drape Front Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer BA808 Wine Drape Front Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer BA651 Stone Satin Strapless Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer BA651 Dusty Pink Satin Strapless Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer BA651 Burgundy Satin Strapless Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer BA651 Royal Blue Satin Strapless Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer BA651 Red Satin Strapless Mermaid Formal Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BA306 Wine French Satin Off Shoulder Mermaid Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture BA306 Tearose French Satin Off Shoulder Mermaid Dress in Australia | One Honey Boutique
AUS SIZE 2 - 24Tina Holly Couture Designer BA269 Champagne Satin Formal Dress in Australia | One Honey Boutique
Color
AUS SIZE 2 - 24Tina Holly Couture Designer BA227 Stone Strapless Mermaid Formal Dress in Australia | One Honey Boutique
USA SIZE 2 - 24Save 30%Honey Couture SOPHIA White Tulle Glitter Bodysuit Formal Dress in Australia | One Honey Boutique
Honey Couture SOPHIA White Tulle Glitter Bodysuit Formal Dress Sale priceFrom $559.96 AUD Regular price$799.95 AUD
Color
AUS SIZE 2 - 24Tina Holly Couture Designer BA155 Tearose French Satin Off Shoulder Gown in Australia | One Honey Boutique
USA SIZE 2 - 16DISCONTINUEDSave 30%Honey Couture LINA Crystal Tulle Formal Gown in Australia | One Honey Boutique
Honey Couture LINA Crystal Tulle Formal Gown Sale priceFrom $910.00 AUD Regular price$1,300.00 AUD
Color
DISCONTINUEDSave 30%Honey Couture LUNA Glitter Overlay Mermaid Lace Up Back Formal Dress in Australia | One Honey Boutique
Honey Couture LUNA Glitter Overlay Mermaid Lace Up Back Formal Dress Sale priceFrom $489.95 AUD Regular price$699.95 AUD
Color
IN STOCKDISCONTINUEDSALEOn saleHoney Couture DIAMONDS White Sequin Mermaid Formal Wedding Gown Dress in Australia | One Honey Boutique
Honey Couture DIAMONDS White Sequin Mermaid Formal Wedding Gown Dress Sale priceFrom $1,000.00 AUD Regular price$1,250.00 AUD
Color
AUS SIZE 2 - 24Tina Holly Couture T18326 White & Nude Lace Midi Cocktail Dress in Australia | One Honey Boutique
Color
AUS SIZE 6 - 18Tinaholy Couture Designer T19435 White Satin Formal Prom Ball Gown Dress in Australia | One Honey Boutique
DISCONTINUEDUSA SIZE 2 - 16Save 30%Honey Couture DAZZLING Silver Sequin Princess Formal Gown Dress in Australia | One Honey Boutique
Honey Couture DAZZLING Silver Sequin Princess Formal Gown Dress Sale priceFrom $840.00 AUD Regular price$1,200.00 AUD
Color
DISCONTINUEDSave 30%Honey Couture BROYN Silver Diamante Front Princess Ball Formal Gown Dress in Australia | One Honey Boutique
Honey Couture BROYN Silver Diamante Front Princess Ball Formal Gown Dress Sale priceFrom $489.96 AUD Regular price$699.95 AUD
Color
USA SIZE XS - LHoney Couture BLOSSUM Blue Multi Tie Evening Gown Dress in Australia | One Honey Boutique
USA SIZE S - LHoney Couture GWEN Nude Black Crystal Sequin Maxi Formal Gown 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.