The Chelsea Backless Midi Dress
The Chelsea Backless Midi Dress
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Dress Size Guide
These are body measurements. Measure yourself and choose the size that matches your bust, waist and hip.
| Size | UK | EU | US | Bust (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|---|---|---|
| XS | 6 | 34 | 2 | 78–81 | 60–63 | 86–89 |
| S | 8 | 36 | 4 | 82–85 | 64–67 | 90–93 |
| M | 10 | 38 | 6 | 86–89 | 68–71 | 94–97 |
| L | 12 | 40 | 8 | 90–94 | 72–76 | 98–102 |
| XL | 14 | 42 | 10 | 95–99 | 77–81 | 103–107 |
| XXL | 16 | 44 | 12 | 100–104 | 82–86 | 108–112 |
| XXXL | 18 | 46 | 14 | 105–110 | 87–92 | 113–118 |
| Size | UK | Bust (in) | Waist (in) | Hip (in) |
|---|---|---|---|---|
| XS | 6 | 30.5–32 | 23.5–25 | 34–35 |
| S | 8 | 32.5–33.5 | 25–26.5 | 35.5–36.5 |
| M | 10 | 34–35 | 27–28 | 37–38 |
| L | 12 | 35.5–37 | 28.5–30 | 38.5–40 |
| XL | 14 | 37.5–39 | 30.5–32 | 40.5–42 |
| XXL | 16 | 39.5–41 | 32.5–34 | 42.5–44 |
| XXXL | 18 | 41.5–43.5 | 34.5–36 | 44.5–46.5 |
Choosing your dress size
- Bodycon, corset, satin and faux leather dresses have little or no stretch. If you are between sizes, choose the larger one.
- Wrap, smocked and knitted dresses are more forgiving. Choose your usual size.
- If your bust and hip fall in different sizes, choose by the part of the dress that is most fitted (for example the bust for a corset bodice, the hip for a pencil dress).
- Maxi dresses fall differently depending on your height. If you are petite, wear them with a heel or have the hem taken up.
How to measure
- Bust – around the fullest part, keeping the tape level across your back.
- Waist – around the narrowest part, usually just above the belly button.
- Hip – around the fullest part of your hips and bottom.
- Free UK delivery on orders over £49 (£3.99 otherwise)
- Tracked UK delivery in 6–10 working days, or Express in 4–7 working days (£7.99)
- 30-day returns · free exchanges
% Black Friday: 15% off
The discount is applied automatically in your bag and at checkout until 30 November 2026, 23:59 UK time. Terms
Description
Description
The statement maxi
Halter neck, cut-out, split to the thigh.
A fitted halter maxi with crossover straps that tie at the neck, a keyhole cut-out under the bust and a ruched drawstring running down to a high front split. Shown in blue, brown, burgundy and black, it is made for parties and evenings out.
Why you'll love it
- The neckline: crossover halter straps that tie at the nape
- The detail: a cut-out just under the bust
- The shape: fitted to the ankle, with ruching along a drawstring
- The split: a high front split that opens as you walk
See every angle
Where to wear it
Birthday dinner · Hen do · Cocktail party · Summer evening event · New Year's Eve
Team yours with
The Loughton Butterfly-Knot Slingback Heels
The Streatham Faux-Suede Shoulder BagFit & size
Close fit. Fitted from bust to ankle, with a halter that ties to adjust. Choose by hip measurement; between sizes, size up.
Fabric & care
- Cotton-polyester stretch blend
- Hand wash cold recommended (check the garment label); do not tumble dry
How it looks on you
Bought this dress? Email a photo of you wearing it to support@marvelleof.com and, with your permission, we may feature it here.
Size & Fit
| Size | UK | Bust (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|---|
| S | 8 | 82 – 85 | 64 – 67 | 90 – 93 |
| M | 10 | 86 – 89 | 68 – 71 | 94 – 97 |
| L | 12 | 90 – 94 | 72 – 76 | 98 – 102 |
Body measurements. Between sizes? Choose the larger size for a fitted look. Full size guide
Discover Marvelle
Pieces chosen for the season ahead
Marvelle is an online fashion boutique. We choose dresses, knitwear, coats, shoes and bags for the season, with tracked delivery in 6–10 working days to the UK and worldwide (UK Express in 4–7) and 30-day returns.
FAQ
How does delivery work?
Every order is sent with tracking. UK Standard Delivery arrives in 6–10 working days and costs £3.99, or is free on orders of £49 or more; UK Express Delivery arrives in 4–7 working days and costs £7.99. International Delivery arrives in 6–10 working days and costs £7.99, or is free on orders of £79 or more. Outside the UK, import duties and taxes may be charged on delivery.
How can I contact you?
Email marvelle.oficialuk@gmail.com. We reply Monday to Friday, within 24 hours.
Which payment methods do you accept?
You can pay with the methods shown at checkout. Payments are processed securely by Shopify.
How do I return an item?
You have 30 days to return an item. Email us first and we will send you the return details. In the UK, exchanges are free and a £3.95 fee is taken from refunds. From outside the UK, you pay the return postage and no fee is taken.