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Formal Dresses

Discover elegant formal dresses for black-tie events, weddings and special occasions, with flattering silhouettes and refined details. From timeless classics to statement styles, find the perfect look for your next event, or explore our evening dresses, occasion dresses and maxi dresses.

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381 products

Save 44%Kartia Halterneck Maxi Gown | Black | Debs & Prom | Formal Gown | Oh Hello Clothing
Kartia Halterneck Maxi Gown | Black Sale price£50.00 GBP Regular price£89.95 GBP
Save 33%Celinee Satin Maxi Gown | Emerald Green | Debs & Prom | Formal Gown | Oh Hello Clothing
Celinee Satin Maxi Gown | Emerald Green Sale price£50.00 GBP Regular price£74.95 GBP
Sold outSave 60%Pranvera Embellished Luxurious Gown | Peacock | Debs & Prom | Formal Gown | Oh Hello Clothing
Pranvera Embellished Luxurious Gown | Peacock Sale price£92.00 GBP Regular price£230.00 GBP
Adeline Rhinestone Halterneck Gown | Gold | Debs & Prom | Formal Gown | Oh Hello Clothing
Adeline Rhinestone Halterneck Gown | Gold Sale price£321.00 GBP
Save 30%Alexis Glitter Shimmer Gown | Emerald Green | Debs & Prom | Formal Gown | Oh Hello Clothing
Alexis Glitter Shimmer Gown | Emerald Green Sale price£148.00 GBP Regular price£211.00 GBP
Save 29%Monica Off The Shoulder Gown | Wine | Debs & Prom | Formal Gown | Oh Hello Clothing
Monica Off The Shoulder Gown | Wine Sale price£65.00 GBP Regular price£92.00 GBP
Save 29%Serena Off The Shoulder Gown | Peacock | Debs & Prom | Formal Gown | Oh Hello Clothing
Serena Off The Shoulder Gown | Peacock Sale price£110.00 GBP Regular price£156.00 GBP
Serena Off The Shoulder Gown | Black | Debs & Prom | Formal Gown | Oh Hello Clothing
Serena Off The Shoulder Gown | Black Sale price£156.00 GBP
Elyse Glitter Strapless Gown | Light Blue/Silver | Debs & Prom | Formal Gown | Oh Hello Clothing
Elyse Glitter Strapless Gown | Light Blue/Silver Sale price£248.00 GBP
Marsela Lace Bodice Gown | Burgundy | Debs & Prom | Formal Gown | Oh Hello Clothing
Marsela Lace Bodice Gown | Burgundy Sale price£239.00 GBP
Marsela Lace Bodice Gown | Black | Debs & Prom | Formal Gown | Oh Hello Clothing
Marsela Lace Bodice Gown | Black Sale price£239.00 GBP
Save 30%Alexis Glitter Shimmer Gown | Light Blue | Debs & Prom | Formal Gown | Oh Hello Clothing
Alexis Glitter Shimmer Gown | Light Blue Sale price£148.00 GBP Regular price£211.00 GBP
Save 29%Priscilla Princess Glitter Gown | Black | Debs & Prom | Formal Gown | Oh Hello Clothing
Priscilla Princess Glitter Gown | Black Sale price£165.00 GBP Regular price£234.00 GBP
Save 33%Celinee Satin Maxi Gown | Royal | Debs & Prom | Formal Gown | Oh Hello Clothing
Celinee Satin Maxi Gown | Royal Sale price£50.00 GBP Regular price£74.95 GBP
Save 33%Celinee Satin Maxi Gown | Brown | Debs & Prom | Formal Gown | Oh Hello Clothing
Celinee Satin Maxi Gown | Brown Sale price£50.00 GBP Regular price£74.95 GBP
Save 50%Mel Strapless Chiffon Skirt Maxi Dress Black | Wedding Guest Dress | Maxi | Chiffon | Oh Hello Clothing
Mel Strapless Chiffon Skirt Maxi Dress | Black Sale price£46.00 GBP Regular price£92.00 GBP
Save 30%Karra Bodycon Strapless Gown | Emerald Green | Debs & Prom | Formal Gown | Oh Hello Clothing
Karra Bodycon Strapless Gown | Emerald Green Sale price£90.00 GBP Regular price£129.00 GBP
Save 30%Leonardo Diamante Bodycon Gown | Royal Blue | Debs & Prom | Formal Gown | Oh Hello Clothing
Leonardo Diamante Bodycon Gown | Royal Blue Sale price£161.00 GBP Regular price£230.00 GBP
Save 49%Jonna Halter Neck Sequin Maxi Dress Black | Black Tie Evening Dress | Halter Neck | Maxi | Oh Hello Clothing
Jonna Halter Neck Sequin Maxi Dress | Black Sale price£42.00 GBP Regular price£83.00 GBP
Dallas Luxe Embellished Gown | Emerald Green | Debs & Prom | Formal Gown | Oh Hello Clothing
Dallas Luxe Embellished Gown | Emerald Green Sale price£211.00 GBP
Dallas Luxe Embellished Gown | Dark Wine | Debs & Prom | Formal Gown | Oh Hello Clothing
Dallas Luxe Embellished Gown | Dark Wine Sale price£211.00 GBP
Nicolette Soft Satin Maxi Gown | Black | Debs & Prom | Formal Gown | Oh Hello Clothing
Nicolette Soft Satin Maxi Gown | Black Sale price£156.00 GBP
Aletta Soft Satin Maxi Gown | Black | Debs & Prom | Formal Gown | Oh Hello Clothing
Aletta Soft Satin Maxi Gown | Black Sale price£129.00 GBP
Sold outSave 59%Madison A-Line Midi Dress Black | Wedding Guest Dress | A-Line | Midi | Oh Hello Clothing
Madison A-Line Midi Dress | Black Sale price£54.00 GBP Regular price£133.00 GBP
Sold outOlympia Off The Shoulder Gown | Black | Debs & Prom | Formal Gown | Oh Hello Clothing
Olympia Off The Shoulder Gown | Black Sale price£110.00 GBP
Save 29%Dionne Soft Coset Maxi Gown | Champagne | Debs & Prom | Formal Gown | Oh Hello Clothing
Dionne Soft Coset Maxi Gown | Champagne Sale price£110.00 GBP Regular price£156.00 GBP
Cinderella Wedding Guest Dresses Lisa Multiway Chiffon Gown | Black
Lisa Multiway Chiffon Gown | Black Sale price£138.00 GBP
Sold outSave 60%Clydee Soft Corset Maxi Gown | Olive | Debs & Prom | Formal Gown | Oh Hello Clothing
Clydee Soft Corset Maxi Gown | Olive Sale price£44.00 GBP Regular price£110.00 GBP
Save 29%Dionne Soft Coset Maxi Gown | French Navy | Debs & Prom | Formal Gown | Oh Hello Clothing
Dionne Soft Coset Maxi Gown | French Navy Sale price£110.00 GBP Regular price£156.00 GBP
Save 29%Georgia Soft Satin Maxi Gown | Champange | Debs & Prom | Formal Gown | Oh Hello Clothing
Georgia Soft Satin Maxi Gown | Champange Sale price£110.00 GBP Regular price£156.00 GBP
Lavelle Glitter Bodycon Gown | Black | Debs & Prom | Formal Gown | Oh Hello Clothing
Lavelle Glitter Bodycon Gown | Black Sale price£230.00 GBP
Lavelle Glitter Bodycon Gown | Burgundy | Debs & Prom | Formal Gown | Oh Hello Clothing
Lavelle Glitter Bodycon Gown | Burgundy Sale price£230.00 GBP
Save 30%Cataleya Rhinestone Bodycon Gown | Navy | Debs & Prom | Formal Gown | Oh Hello Clothing
Cataleya Rhinestone Bodycon Gown | Navy Sale price£77.00 GBP Regular price£110.00 GBP
Sold outSave 60%Narissa Sequin Maxi Gown | Red | Debs & Prom | Formal Gown | Oh Hello Clothing
Narissa Sequin Maxi Gown | Red Sale price£37.00 GBP Regular price£92.00 GBP
Sold outSave 60%Narissa Sequin Maxi Gown | Green | Debs & Prom | Formal Gown | Oh Hello Clothing
Narissa Sequin Maxi Gown | Green Sale price£37.00 GBP Regular price£92.00 GBP
Save 50%Riviera Soft Satin Maxi Gown | Gold/Bronze | Debs & Prom | Formal Gown | Oh Hello Clothing
Riviera Soft Satin Maxi Gown | Gold/Bronze Sale price£50.00 GBP Regular price£99.95 GBP
Perla Embellished Gown | Lilac | Debs & Prom | Formal Gown | Oh Hello Clothing
Perla Embellished Gown | Lilac Sale price£220.00 GBP
Audrina Bodycon Sequin Gown | Royal Blue | Debs & Prom | Formal Gown | Oh Hello Clothing
Audrina Bodycon Sequin Gown | Royal Blue Sale price£156.00 GBP
Save 29%Audrina Bodycon Sequin Gown | Burgundy | Debs & Prom | Formal Gown | Oh Hello Clothing
Audrina Bodycon Sequin Gown | Burgundy Sale price£110.00 GBP Regular price£156.00 GBP
Save 30%Ember Bodycon Sequin Gown | Slate Blue | Debs & Prom | Formal Gown | Oh Hello Clothing
Ember Bodycon Sequin Gown | Slate Blue Sale price£90.00 GBP Regular price£129.00 GBP
Sold outSave 30%Kleo Bodycon Gown | Red | Debs & Prom | Formal Gown | Oh Hello Clothing
Kleo Bodycon Gown | Red Sale price£97.00 GBP Regular price£138.00 GBP
Sold outSave 60%Meaghan Bodycon Gown | Turquoise | Debs & Prom | Formal Gown | Oh Hello Clothing
Meaghan Bodycon Gown | Turquoise Sale price£52.00 GBP Regular price£129.00 GBP
Sold outSave 30%Meaghan Bodycon Gown | Lime Green | Debs & Prom | Formal Gown | Oh Hello Clothing
Meaghan Bodycon Gown | Lime Green Sale price£90.00 GBP Regular price£129.00 GBP
Sold outSave 30%Meaghan Bodycon Gown | Champagne | Debs & Prom | Formal Gown | Oh Hello Clothing
Meaghan Bodycon Gown | Champagne Sale price£90.00 GBP Regular price£129.00 GBP
Sold outSave 30%Meaghan Bodycon Gown | Royal Blue | Debs & Prom | Formal Gown | Oh Hello Clothing
Meaghan Bodycon Gown | Royal Blue Sale price£90.00 GBP Regular price£129.00 GBP
Sold outSave 30%Penelope Glitter Princess Gown | Green | Debs & Prom | Formal Gown | Oh Hello Clothing
Penelope Glitter Princess Gown | Green Sale price£174.00 GBP Regular price£248.00 GBP
Save 50% | Oh Hello Clothing
Ava Strapless Maxi Dress | Green Sale price£46.00 GBP Regular price£92.00 GBP
Save 30%Karra Bodycon Strapless Gown | Red | Debs & Prom | Formal Gown | Oh Hello Clothing
Karra Bodycon Strapless Gown | Red Sale price£90.00 GBP Regular price£129.00 GBP
Save 30%Karra Bodycon Strapless Gown | Black | Debs & Prom | Formal Gown | Oh Hello Clothing
Karra Bodycon Strapless Gown | Black Sale price£90.00 GBP Regular price£129.00 GBP
Save 30%Karra Bodycon Strapless Gown | Royal Blue | Debs & Prom | Formal Gown | Oh Hello Clothing
Karra Bodycon Strapless Gown | Royal Blue Sale price£90.00 GBP Regular price£129.00 GBP

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