21st Birthday Dresses

    • Brock Knit Halter Maxi Dress - Baby Pink

    Brock

    Knit Halter Maxi Dress - Baby Pink

    £79
    -30% Off £55
    • Claudette Slinky Mini Dress With Hardware - Pink Sunset Print

    Claudette

    Slinky Mini Dress With Hardware - Pink Sunset Print

    £75
    -29% Off £53
    • Mariposa Slinky Halter Mini Dress - Ivory

    Mariposa

    Slinky Halter Mini Dress - Ivory

    £85
    -31% Off £59
    • Mattea Slinky And Mesh Mini Dress With Scarf - Powder Blue
    Preferred Fibres

    Mattea

    Slinky And Mesh Mini Dress With Scarf - Powder Blue

    £85
    -29% Off £60
    Preferred Fibres
    • Rita Satin Mini Dress With Bow Sleeves - Black

    Rita

    Satin Mini Dress With Bow Sleeves - Black

    £119
    -62% Off £45
    • Franka Strapless Bow Mini Dress - White

    Franka

    Strapless Bow Mini Dress - White

    £209
    -55% Off £95
    • Tessa Structured Mini Dress - White

    Tessa

    Structured Mini Dress - White

    £165
    -55% Off £75
    • Maryam Tulle Bow Mini Dress - White

    Maryam

    Tulle Bow Mini Dress - White

    £139
    -40% Off £83
    • Giovanna Off Shoulder Mini Dress - Sonia Rose Print

    Giovanna

    Off Shoulder Mini Dress - Sonia Rose Print

    £139
    -53% Off £65
    • Nala Sequin Mini Dress - White

    Nala

    Sequin Mini Dress - White

    £165
    -40% Off £99
    • Ruby Halter Mini Dress - White

    Ruby

    Halter Mini Dress - White

    £99
    -55% Off £45
    • Astraeus Beaded Cowl Mini Dress - Desert Red

    Astraeus

    Beaded Cowl Mini Dress - Desert Red

    £85
    -40% Off £51
    • Giulia Chiffon Draped Mini Dress - Raspberry

    Giulia

    Chiffon Draped Mini Dress - Raspberry

    £129
    -50% Off £65
    • Ruby Halter Mini Dress - Black

    Ruby

    Halter Mini Dress - Black

    £99
    -55% Off £45
    • Fleur Ruched Slinky Mini Dress - Mahogany
    Preferred Fibres

    Fleur

    Ruched Slinky Mini Dress - Mahogany

    £75
    Preferred Fibres
    • Amia Slinky Sleeveless Mini Dress With Hardware - Black

    Amia

    Slinky Sleeveless Mini Dress With Hardware - Black

    £75
    -29% Off £53
    • Paisley Slinky And Diamante Mini Dress - Chocolate

    Paisley

    Slinky And Diamante Mini Dress - Chocolate

    £95
    -29% Off £67
    • Alba Bubble Mini Dress - White

    Alba

    Bubble Mini Dress - White

    £159
    -50% Off £80

    Remi

    Suiting Mini Dress With Floral Hardware - White

    £109
    -40% Off £65
    • Caralee Sequin Halter Mini Dress - Ivory
    Sold out

    Caralee

    Sequin Halter Mini Dress - Ivory

    £89
    Sold out
    • Claudette Slinky Mini Dress With Hardware - Black
    Sold out

    Claudette

    Slinky Mini Dress With Hardware - Black

    £75
    -29% Off £53
    Sold out
    • Roisin Diamante Maxi Dress - Mahogany
    Sold out

    Roisin

    Diamante Maxi Dress - Mahogany

    £195
    -30% Off £137
    Sold out
    • Clementina Strapless Bubble Mini Dress - White

    Clementina

    Strapless Bubble Mini Dress - White

    £99
    -55% Off £45
    • Kate Mesh And Nylon Maxi Dress - Black

    Kate

    Mesh And Nylon Maxi Dress - Black

    £75
    -40% Off £45
    • Wynter Scarf Draped Mini Dress - Green
    Preferred Fibres

    Wynter

    Scarf Draped Mini Dress - Green

    £95
    -40% Off £57
    Preferred Fibres

It’s your birthday and that means you deserve party gown perfection and we’re here to make sure you absolutely steal the spotlight for your 21st. Whether you want to stun in a sleek satin maxi dress or show your legs off in a hot mini with strategic cutouts and diamante detailing, we’ve got designer options for you. Browse our carefully curated catalogue of exclusive pieces to find the birthday party dress of your dreams.

Find Youre Dream 21st Birthday Dress 

If there was ever an occasion to absolutely serve some visuals, your 21st birthday would be it. You’re the star of the event — and your outfit absolutely needs to convey that. That’s why our edit of 21st birthday dresses come in different styles, fabrics, silhouettes, and designs. Whether it be black birthday dresses or sequined, you need to pick one that’s both effortlessly gorgeous and super comfortable. After all, you’re going to be partying from dusk ‘til dawn.

Finding the Perfect Birthday Dress for your 21st

Versatility and variety are key when choosing a birthday outfit. It’s always good to have a vision of what you want to look like but a bit of flexibility can work wonders. It’s not unusual to be inspired or influenced when browsing different styles. Timeless pieces in beiges, trendy fits in neutrals, or cool jewel tones. Start with a general idea of your ideal birthday dress — sleeveless minis, tube-top midis, long line gowns, bodycon maxis — and then dive in. Let the outfit inspo happen as you look through the different options in our edit.

Shop 21st Birthday Dresses

Remember; it’s all about you! Elevate your confidence and strut your stuff in the party dress of your dreams. Whether you’re in, mesh, knit fabric or swathes of satin with fashionable cutouts or flattering ruching, what matters is that you look as great as you feel. Trust us; your perfect dress is here.