Women's Long Sleeve Dress Wedding Guest Mini Dress

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-10% · Code GUEST10 · until 30/06/2026

4.8 / 5 (2,137+ reviews)

ROMILLY Long Sleeve Mini Dress

£54.99

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10% Off when you buy 2 items

Color :

Size :

8 UK

10 UK

12 UK

Free UK Shipping on all orders

The kind of dress you reach for when you want to feel confident the moment you walk through the door.

The ROMILLY skims your figure with a close fitting silhouette that defines your shape while staying comfortable from day to night. The soft, lightweight fabric feels smooth against the skin and offers just enough stretch to move naturally, while the V neckline, asymmetrical button detail, and ruffle hem add effortless character. Whether you are heading to a wedding reception, a dinner date, or an evening celebration, it keeps its shape and looks polished all night.

. Soft, smooth fabric that feels light against the skin with comfortable stretch for effortless movement

. Slim fit with a defined waist, flattering V neckline, and gently sculpted silhouette that enhances your natural shape

. Easy to dress up for weddings, parties, evenings out, or special occasions with heels or elegant flats

. Pull on design for easy wear, consistent fit that holds its shape, choose your usual UK size with confidence

Free delivery on all UK orders 6 to 9 working days.
Express options available at checkout.

Not happy? Return it free within 30 days, no questions asked.
If it doesn't match what you saw on the page the colour,
the fabric, the fit we refund you in full.

Contact: support@nivalhostudio.com

Material:

95% polyester
5% elastane
Soft and breathable synthetic fabric
Medium stretch for added comfort

Care:

Machine wash at 30°C (delicate cycle)
Wash with similar colours
Do not bleach
Do not tumble dry
Line dry recommended
Cool iron if needed

What they say

Customer Reviews

4.8 2,137 reviews

5

82%

4

13%

3

3%

2

1%

1

1%

ET

Emily T.

London

June 2026

I wore this to my cousin's wedding and honestly felt amazing in it. The fit was incredibly flattering and the fabric moved beautifully when walking. I received compliments all day and several people asked where I got it from. True to size and very comfortable to wear for hours.

Verified Buyer

OK

Olivia K.

Leicester

May 2026

Beautiful dress. Looks much more expensive than it actually is. The material feels soft and lightweight and the colour was exactly as shown on the website.

Verified Buyer

CR

Chloe R.

Manchester

Apr 2026

I was nervous ordering online for a wedding but this exceeded my expectations. It fitted perfectly, wasn't see-through and photographed beautifully. Couldn't be happier.

Verified Buyer

LB

Lauren B.

Liverpool

Apr 2026

Lovely dress and really flattering once on. I was between sizes and ended up exchanging for the next size up. Customer service was very helpful and the return process was straightforward. Very happy with the final fit.

Verified Buyer

EW

Emy W.

London

Mar 2026

One of those rare dresses that makes you feel confident the second you put it on. The shape is so elegant and it hugs in the right places without feeling tight. I've already ordered another style.

Verified Buyer

AS

Ava S.

London

Feb 2026

Bought this for a garden party and ended up wearing it again for a birthday dinner a few weeks later. Very versatile and easy to dress up with heels and jewellery.

Verified Buyer

LH

Lucy H.

Nottingham

Feb 2026

The fit, the colour, the quality... everything was exactly what I hoped for. It feels premium without the designer price tag. Delivery was also quicker than expected.

Verified Buyer

RG

Rebecca G.

Birmingham

Dec 2025

Really lovely dress. The material is lighter than I expected, but actually perfect for warmer weather. Comfortable to wear and very flattering overall.

Verified Buyer

HM

Hannah M.

Sheffield

oct 2025

This was my first order from Nivalho and I'll definitely be back. The dress looked exactly like the photos, fit true to size and arrived in time for my event. Couldn't ask for more.

Verified Buyer

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Real clients. Real style. Discover how our pieces are worn every day with effortless confidence.

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Our team is here to assist you Monday to Friday, from 9:00am to 5:00pm.

Contact our support

Frequently Asked Questions

We recommend checking the size guide on each product page. Every dress includes detailed measurements in inches. If you usually wear a size M at Zara or ASOS, that's your best starting point. If you're between sizes, size up for comfort. The fabric details on each page will tell you whether the dress has stretch or not.

Free returns within 30 days, no questions asked. Contact us at support@nivalhostudio.com and we'll send you a return label. Refunds are processed within 5 working days of receiving the item.

Free UK delivery on all orders, 6 to 9 working days. Need it sooner? Express options are available at checkout. You'll receive a tracking number by email as soon as your order ships.

We photograph every dress to show the true colour, fabric and fit. Please note that colours may appear slightly different depending on your screen settings. If the dress doesn't match what you saw on the page, we refund you in full.

Each product page includes specific care instructions under Fabric & Care. As a general rule, most of our dresses are best washed at 30°C on a gentle cycle, inside out, and air dried flat. Avoid tumble drying to keep the fabric and colour in perfect condition.

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DEDICATED SUPPORT

SIZE	UK SIZE	US SIZE	EU SIZE	CHEST (cm)	WAIST (cm)	LENGTH (cm)	SLEEVE (cm)
S	8	4	36	74	63	70	60
M	10	6	38	78	67	80	69
L	12	8	40	84	71	82	70

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