Blue Formal Dresses

72 Products

Indi Maxi Dress
Indi Maxi Dress

Boat Neck Bodycon Dress in Light Blue

£89.95
Almarie Midi Dress
Almarie Midi Dress

Halter Neck Mesh Dress in Blue

£66.00
£89.95
You save 27%
Charlita Maxi Dress
Charlita Maxi Dress

Strapless Cowl Back Satin Dress in Steel Blue

£89.95
Loretta Midi Dress
Loretta Midi Dress

Lace Up Back Bustier Pleated Dress in Light Blue

£79.00
£89.95
You save 12%
Lizzy Maxi Dress
Lizzy Maxi Dress

Backless Ruched Bodycon Dress in Blue

£89.95
Rosha Midi Dress
Rosha Midi Dress

Ruffle Strap Dress in Electric Blue

£89.95
Calix Midi Dress
Calix Midi Dress

One Shoulder Slip Dress in Pale Blue

£89.95
Caterina Maxi
Caterina Maxi

Ruched Off Shoulder Mesh Dress in Pale Blue

£89.95
Leticia Maxi Dress
Leticia Maxi Dress

Mesh Off Shoulder Ruched High Split Dress in Blue

£89.95
Genie Maxi Dress
Genie Maxi Dress

Off The Shoulder Dress in Baby Blue

£89.95
Criselda Maxi Dress
Criselda Maxi Dress

One Shoulder Maxi Dress in Blue

£89.95
Inez Maxi Dress
Inez Maxi Dress

Boat Neck Long Sleeve Ruched Dress in Blue

£56.00
£79.95
You save 30%
Veronica Midi Dress
Veronica Midi Dress

Sweetheart Strapless Bow Detail High Split Dress in Blue & Black

£30.00
£89.95
You save 67%

FURTHER 30% OFF AT CHECKOUT WITH CODE PARTY30

Zaya Midi Dress
Zaya Midi Dress

Strapless Satin Slip Dress in Pale Blue

£73.00
£89.95
You save 19%
Thelma Maxi Dress
Thelma Maxi Dress

Square Neck Bodycon Dress in Light Blue

£79.00
£89.95
You save 12%
Veronika Maxi Dress
Veronika Maxi Dress

Off Shoulder Plunge High Split Dress in Blue

£99.95
Cariela Maxi Dress
Cariela Maxi Dress

Plunge Neck Satin Dress in Navy

£79.00
£89.95
You save 12%
Ginny Maxi Dress
Ginny Maxi Dress

Jersey Ruched V Waist Dress in Blue

£89.95
Avery Midi Dress
Avery Midi Dress

Strapless Draped Side Split Dress in Blue

£109.95
Gemalyn Maxi Dress
Gemalyn Maxi Dress

Cowl Neck Thigh Split Dress in Sky Blue

£73.00
£89.95
You save 19%
Jamie Maxi Dress
Jamie Maxi Dress

Strapless Ruched Fitted Column Dress in Blue

£89.95
More Than This Maxi Dress
More Than This Maxi Dress

Ruffle Strap Thigh Split Dress in Light Blue

£89.95
Sophie Maxi Dress
Sophie Maxi Dress

Cowl Neck Cross Back Dress in Blue

£79.00
£89.95
You save 12%
Inez Maxi Dress
Inez Maxi Dress

Scoop Neck Gathered Front Split Dress in Blue

£56.00
£79.95
You save 30%
Larson Maxi Dress
Larson Maxi Dress

Asymmetric Tie Neck Column Dress in Pale Blue

£99.95
Rumi Maxi Dress
Rumi Maxi Dress

Ruched Bodice Satin Dress in Pale Blue

£89.95
Phoebe Maxi Dress
Phoebe Maxi Dress

Strapless Structured Bodice Drape Skirt Dress in Soft Blue

£109.95
Isla Maxi Dress
Isla Maxi Dress

Satin One Shoulder Side Split Dress in Sky Blue

£66.00
£89.95
You save 27%
Sienna Maxi Dress
Sienna Maxi Dress

3D Floral Strapless Column Dress in Blue

£169.95
Benita Midi Dress
Benita Midi Dress

Scoop Neck Ruched Fitted Dress in Blue

£89.95
Showing 1 - 30 of 72 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.