Formal Dresses

1882 Products

Rina Maxi Dress
Rina Maxi Dress
New

Off Shoulder High Split Dress in Black

£99.95
Judee Midi Dress
Judee Midi Dress
New

One Shoulder High Side Split Dress in Light Blue

£89.95
Benny Maxi Dress
Benny Maxi Dress
New

Halter Neck Backless Bodycon Dress in Off White

£109.95
Zena Midi Dress
Zena Midi Dress
New

Cowl Neck Tie Detail Dress in Wine

£99.95
Nicolette Maxi Dress
Nicolette Maxi Dress
New

Cape Sleeve Off Shoulder Dress in Navy

£99.95
Salome Midi Dress
Salome Midi Dress
New

Halter Neck Column Dress in Navy

£99.95
Kenna Midi Dress
Kenna Midi Dress
New

Gathered Bust Tucked Waist Dress in Pale Blue

£89.95
Pietra Maxi Dress
Pietra Maxi Dress
New

Off Shoulder Structured Dress in Black

£99.95
Candace Midi Dress
Candace Midi Dress
New

Halter Neck Ribbed Knit Dress in Cream

£79.95
Louisa Maxi Dress
Louisa Maxi Dress
New

Strapless Side Ruched Dropped Waist Fit And Flare Dress in Black

£89.95
Caterina Maxi
Caterina Maxi
New

Ruched Off Shoulder Mesh Dress in Pale Blue

£89.95
Jonas Maxi Dress
Jonas Maxi Dress
New

Strapless Corset Bodice Draped Waist Skirt Dress in Chocolate

£109.95
Ruby Maxi Dress
Ruby Maxi Dress
New

Halter Scoop Neck Low Back Bodycon Dress in Red

£69.95
Blake Maxi Dress
Blake Maxi Dress
New

Boat Neck Bow Bodycon Dress in White

£73.95
Dixie Maxi Dress
Dixie Maxi Dress
New

Plunge Long Sleeve Bodycon Dress in Chocolate

£79.95
Tiffy Midi Dress
Tiffy Midi Dress

Square Neck Ruched Bodycon Dress in Scarlet

£69.95
Amorette Maxi Dress
Amorette Maxi Dress

One Shoulder Detail Gown Dress in Black

£79.95
Salome Midi Dress
Salome Midi Dress

Halter Neck Column Dress in Wine

£69.95
Brailey Midi Dress
Brailey Midi Dress

Thigh Split Strapless Dress in Pink Jacquard

£69.95
Charlita Maxi Dress
Charlita Maxi Dress

Strapless Cowl Back Satin Dress in Pale Pink

£69.95
Marcel Maxi Dress
Marcel Maxi Dress

Off Shoulder Corset High Split Dress in Wine

£79.95
Aria Midi Dress
Aria Midi Dress

One Shoulder Twist Detail Satin Bias Cut Dress in Espresso

£69.95
Bethanie Maxi Dress
Bethanie Maxi Dress

Off The Shoulder Mesh Dress in Black

£69.95
Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Chocolate

£69.95
Georgine Midi Dress
Georgine Midi Dress

One Shoulder Ruched Tiered Dress in AUTUMN FLORAL

£69.95
Jocelyn Maxi Dress
Jocelyn Maxi Dress

Strapless Ruched Fit And Flare Dress in Navy

£79.95
Lara Midi Dress
Lara Midi Dress

Asymmetrical Ruched Mesh Dress in Chocolate

£69.95
Alberta Maxi Dress
Alberta Maxi Dress

Strapless bust detail textured dress in Black

£69.95
Cristle Midi Dress
Cristle Midi Dress

One Shoulder Side Cut Out Thigh Split Dress in Cobalt

£69.95
Hannah Maxi Dress
Hannah Maxi Dress

Long Sleeve Cut Out Low Back Bodycon Dress in Black

£79.95
Showing 1 - 30 of 1882 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.