Formal Dresses

754 Products

Indi Maxi Dress
Indi Maxi Dress

Boat Neck Bodycon Dress in Lemon

€109.95
4.9(169)
Calix Midi Dress
Calix Midi Dress

One Shoulder Slip Dress in Butter

€99.95
Criselda Maxi Dress
Criselda Maxi Dress

One Shoulder Maxi Dress in Blue

€109.95
4.9(59)
Connie Midi Dress
Connie Midi Dress

Ruffle Detail Dress in Chocolate

€99.95
4.9(30)
Criselda Maxi Dress
Criselda Maxi Dress

One Shoulder Maxi Dress in Orange

€109.95
4.9(59)
Ruby Maxi Dress
Ruby Maxi Dress

Halter Scoop Neck Low Back Bodycon Dress in Pink

€109.95
4.8(35)
Visenta Midi Dress
Visenta Midi Dress
New

Asymmetrical Sleeve Dress in Yellow

€119.95
4.7(10)
Helen Maxi Dress
Helen Maxi Dress
New

One Shoulder Draped Fitted Dress in Chocolate

€109.95
Bethanie Maxi Dress
Bethanie Maxi Dress

Off The Shoulder Mesh Dress in Black

€109.95
4.8(66)
Criselda Maxi Dress
Criselda Maxi Dress

One Shoulder Maxi Dress in Chocolate

€109.95
4.9(59)
Genie Maxi Dress
Genie Maxi Dress

Off The Shoulder Dress in Baby Blue

€99.95
4.9(281)
Aria Midi Dress
Aria Midi Dress

Strapless Tie Waist Dress in Sage

€99.95
4.8(10)
Louisa Midi Dress
Louisa Midi Dress

Strapless Side Ruched Dropped Waist Fit And Flare Dress in Pink

€109.95
5(2)
Rina Maxi Dress
Rina Maxi Dress
New

Off Shoulder High Split Dress in Lemon

€109.95
Laurie Maxi Dress
Laurie Maxi Dress

One Shoulder Tie Detail Dress in Light Olive

€109.95
5(2)
Criselda Maxi Dress
Criselda Maxi Dress
New

One Shoulder Maxi Dress in Chocolate Polkadot

€109.95
4.9(59)
Visenta Midi Dress
Visenta Midi Dress

Asymmetrical Sleeve Dress in Blue

€119.95
4.7(10)
Bethanie Maxi Dress
Bethanie Maxi Dress

Off The Shoulder Mesh Dress in Chocolate

€109.95
4.8(66)
Rania Maxi Dress
Rania Maxi Dress

Contrast Lace Bodice Bias Cowl Drop Waist Dress in Sage

€99.95
4.9(74)
Evie Maxi Dress
Evie Maxi Dress
New

Crepe Fringed Shift Dress in Chocolate

€109.95
Bree Maxi Dress
Bree Maxi Dress
New

Off Shoulder Draped Sash Dress in Blue

€109.95
Poppy Maxi Dress
Poppy Maxi Dress
New

Contrast Skirt Deep Plunge Halter Dress in Black

€109.95
4.8(4)
Aria Midi Dress
Aria Midi Dress

Strapless Tie Waist Dress in Pink

€99.95
4.8(10)
Leianna Midi Dress
Leianna Midi Dress

Tulle Flutter Sleeve Tiered Ruffle Dress in Sunset Floral

€109.95
5(8)
Connie Midi Dress
Connie Midi Dress

Ruffle Detail Dress in Pink

€99.95
4.9(30)
Kitsune Maxi Dress
Kitsune Maxi Dress

One Shoulder Cut Out Dress in Emerald Green

€109.95
4.8(21)
Karlie Midi Dress
Karlie Midi Dress

One Shoulder Fitted Dress in Wine

€109.95
4.5(4)
Vivia Maxi Dress
Vivia Maxi Dress
New

Gathered Waist Halter Dress in Blue

€99.95
Benita Midi Dress
Benita Midi Dress

Scoop Neck Ruched Fitted Dress in Olive

€109.95
4.6(17)
Marguerite Maxi Dress
Marguerite Maxi Dress
New

Strapless Ruched Mesh High Leg Split Dress in Wine

€109.95
5(1)
Showing 1 - 30 of 754 Products

Formal Dresses 

Where to buy a fancy formal dress online in UK?

The Formal Dresses edit for women online at Showpo is made for every formal event moment that calls for a little extra effort, the big nights, the milestone dinners, and every “wow, you look amazing” moment in between. Whether you’re heading to a black-tie wedding, an evening ball, your Year 10 or Year 12 formal, your graduation, or even just a fancy dinner that got a little more dressy than expected, these unique women's pieces bring polish without trying too hard.

What is the formal dress code? For a wedding? How to dress for a semi-formal event?

If drama’s your thing, you’ll fall for our maxi gowns, sweeping silhouettes, luxe satin, and chiffon that moves beautifully under the gala lights. Want that perfect in-between for a party? Semi-formal Midis strike the balance between timeless and modern, made for the girl who likes a little structure with her sparkle. And when it’s time to go all out for a wedding, reach for our elegant satin or sequin formal dresses, they catch the light (and attention) from every angle. You’ll find all kinds of cuts here: halternecks, off-the-shoulder moments, strapless styles, and those one-shoulder looks that show just the right bit of skin. The colours are just as good: soft champagne, blush pink tones, deep emerald green, and classic navy blue. They all hit different once the lights go down; our unique formal and semi-formal dresses are made for evenings out.

How to style a formal dress? How to accessorise a formal dress? What to wear over a formal dress when its cold? 

Styling for an evening gala? Easy. Grab a pair of barely-there heels from our collection and a sparkly clutch or chic bag that fits the essentials: phone, lip, cards, done. Put on gold jewellery pieces if you want that warm glow; silver if you feel like looking sharper. For hair, it’s totally up to the vibe you’re going for. Soft waves give easy and romantic, and a slick bun is perfect when you’re into that clean, polished look. A touch of highlight on your cheekbones never hurts, and a red lip if you’re in the mood to go bold. Cold outside? No stress. Throw on a tailored blazer, faux fur coat or jacket, or an elegant shawl to stay warm without ruining the vibe. Structured outerwear keeps the look formal, elegant, polished, and event-ready, even when the temperature drops.

Is there free shipping in the UK? Does Showpo offer plus-size options?

Our UK girls get free shipping for carts over €150. See our shipping page for more information. Not sure about sizing? Our Size Guide is super easy to follow, and if it’s not quite right, our Returns Policy has your back, no stress. We also carry sizes 0-16, including plus sizes, so that all girls can find their perfect dress. Formal dresses don’t need to feel stiff; it’s whatever makes you feel good. You should feel like yourself, just dialled up a bit. Pick the clothes or dress you can’t stop thinking about, throw on your heels, and have a gorgeous night.