Formal Dresses

707 Products

Larson Maxi Dress
Larson Maxi Dress

Asymmetric Tie Neck Column Dress in Chocolate

£99.95
Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Pink

£109.95
Genie Maxi Dress
Genie Maxi Dress

Off The Shoulder Dress in Chocolate

£89.95
Genie Maxi Dress
Genie Maxi Dress

Off The Shoulder Dress in Baby Blue

£89.95
Almarie Midi Dress
Almarie Midi Dress

Halter Neck Mesh Dress in Red

£89.95
Aria Midi Dress
Aria Midi Dress

Strapless Tie Waist Dress in Chocolate

£79.95
Leticia Maxi Dress
Leticia Maxi Dress

Mesh Off Shoulder Ruched High Split Dress in Blue

£89.95
Ruby Maxi Dress
Ruby Maxi Dress

Halter Scoop Neck Low Back Bodycon Dress in Wine

£89.95
Pietra Midi Dress
Pietra Midi Dress

Scoop Neck Side Seam Tucks Fitted Dress in Pink

£99.95
Indi Maxi Dress
Indi Maxi Dress

Boat Neck Bodycon Dress in Light Blue

£89.95
Alanna Maxi Dress
Alanna Maxi Dress

Off Shoulder Ruched Mesh Dress in Sage

£89.95
Alanna Maxi Dress
Alanna Maxi Dress

Off Shoulder Ruched Mesh Dress in Chocolate

£89.95
Rania Maxi Dress
Rania Maxi Dress

Contrast Lace Bodice Bias Cowl Drop Waist Dress in Black

£89.95
Sienna Maxi Dress
Sienna Maxi Dress

3D Floral Strapless Column Dress in Red

£169.95
Indi Maxi Dress
Indi Maxi Dress

Boat Neck Bodycon Dress in Black

£89.95
Criselda Maxi Dress
Criselda Maxi Dress

One Shoulder Maxi Dress in Black

£89.95
Skye Maxi Dress
Skye Maxi Dress
New

V Shaped Neckline Short Sleeve Dress in Red

£99.95
Florence Maxi Dress
Florence Maxi Dress

Off Shoulder Sheer Skirt Dress in Chocolate

£109.95
Caterina Maxi
Caterina Maxi

Ruched Off Shoulder Mesh Dress in Wine

£89.95
Eugenia Midi Dress
Eugenia Midi Dress

Square Neck Fitted Dress in Pink

£99.95
Dara Midi Dress
Dara Midi Dress

Low Neck Sleeveless Slip Dress in Amber Floral Print

£89.95
Tara Maxi Dress
Tara Maxi Dress
New

Strapless Corset Drape Skirt Dress in Wine

£99.95
Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Orange

£109.95
Lolly Maxi Dress
Lolly Maxi Dress
New

Strapless Bias Column Dress with Scarf in Blush Ombre Print

£99.95
Jamie Maxi Dress
Jamie Maxi Dress

Strapless Ruched Fitted Column Dress in Lemon

£66.00
£89.95
You save 27%
Namaari Midi Dress
Namaari Midi Dress

Faux Wrap One Shoulder Dress in Navy

£89.95
Jocelyn Maxi Dress
Jocelyn Maxi Dress

Strapless Ruched Fit And Flare Dress in Navy

£109.95
Riley Maxi Dress
Riley Maxi Dress

Gathered Over Bust Dress in Chocolate

£79.95
Visenta Midi Dress
Visenta Midi Dress

Asymmetrical Sleeve Dress in Pink

£99.95
Audette Maxi Dress
Audette Maxi Dress

Boat Neck Ruched Fitted Dress in Chocolate

£79.95
Showing 1 - 30 of 707 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.