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4.7 | Based on 1582+ reviews

Backless Jumpsuit

Backless Jumpsuit

£28.99 GBP
£28.99 GBP
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Taxes included. Shipping calculated at checkout.

Strong Support

Finally, shapewear that works as hard as your outfit does. The Thalisse Backless Butt Lift Jumpsuit is designed for the dresses that used to sit in the back of your wardrobe the backless ones, the fitted ones, the ones you save for a night that matters.

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Instant Butt Lift
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Smooths Tummy Thighs
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Backless Dress Ready
Color
Size

Size Guide

Size UK Waist (in) Hip (in) Waist (cm) Hip (cm)
XXS622.8–24.832.3–34.358–6382–87
XS824.8–26.834.3–36.263–6887–92
S1026.8–28.736.2–38.268–7392–97
M1228.7–30.738.2–40.273–7897–102
L1430.7–32.740.2–42.178–83102–107
XL1632.7–34.642.1–44.183–88107–112
XXL1834.6–36.644.1–46.188–93112–117
XXXL2036.6–38.646.1–48.093–98117–122

All measurements in UK sizing. Not sure which size to pick? Choose based on your hip measurement for the best fit.
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14 Day money back guarantee

Honestly wasn't sure this would actually lift anything, I've tried so much shapewear that just squashes everything flat. But wearing this under my dress last weekend was a completely different experience my tummy was smooth, no rolling down all night, and for once I didn't feel like I needed to keep tugging it back into place. That was my biggest fear before ordering. Genuinely converted now.

Grace P. Verified Customer

I have a backless dress that's sat unworn in my wardrobe for two years because I could never find shapewear that worked with it. This one finally does. Smooths my thighs and tummy without any visible lines under the fabric, and it actually stays put. Wore it for six hours at a wedding with zero adjusting. Wish I'd bought this ages ago instead of wasting money on cheaper ones that rolled down within the hour.

Daisy L. Verified Customer

Was properly on the fence before buying worried it'd be one of those things that looks good in photos but is unbearable to actually wear. It's the opposite. Comfortable enough that I forgot I had it on, but the difference in how my dress sat afterwards was honestly a bit shocking. Confidence properly boosted for date night. Not returning to my old shapewear.

Imogen N. Verified Customer

All orders are dispatched within 1–3 days (except Sundays and public holidays).

Delivery takes 5–8 days to reach you.

We accept returns within 14 days, so you can try Thalisse completely risk-free.

*All shipping times exclude customs or clearance delays.

Our Promise

Comfort first, always. No digging in, no rolling down, no compromise  just support that lets you feel confident, all day long.

Why Thalisse

We're not here to help you hide we're here to help you feel good in your own skin. Shapewear made for real bodies, real comfort, real confidence.

52% Nylon 48% Spandex

Buy It With

+ Quick Add +
Sculpting Short Sleeve Bodysuit
£25.95
+ Quick Add +
Sculpting Shaper Knicker
£32.95
View full details

Before / After

Smooth, sculpt and feel confident in every outfit.

Before After
BEFORE AFTER

Why Choose Thalisse

Feature Thalisse Other Shapewear Brands
All-day comfort ✓ ×
Designed for all body types ✓ ×
Premium, breathable fabric ✓ ×
No rolling or digging in ✓ ×
Confidence-focused design ✓ ×
All-day comfort
Thalisse ✓
Other Shapewear Brands ×
Designed for all body types
Thalisse ✓
Other Shapewear Brands ×
Premium, breathable fabric
Thalisse ✓
Other Shapewear Brands ×
No rolling or digging in
Thalisse ✓
Other Shapewear Brands ×
Confidence-focused design
Thalisse ✓
Other Shapewear Brands ×

Buy It With

What Our Customers Say

★★★★★

Kept telling myself I didn't need it, but my confidence around my midsection was low. Ordering was honestly one of the best small decisions I've made this year.

Imogen V. Verified Customer
★★★★★

I was skeptical this brand could be different from the rest, felt like I'd heard it all before. But the difference in comfort and how my body looks under clothes is real.

Beatrix N. Verified Customer
★★★★★

My biggest fear was that it would be itchy or roll up my thighs by the end of the day like others I've owned. Zero issues. It stays put and I forget it's there.

Elowen G. Verified Customer
★★★★★

I hesitated for weeks worrying it'd show through my clothes. It doesn't at all. My silhouette looks so much cleaner and I finally feel put together.

Saskia J. Verified Customer
★★★★★

Never thought I'd say this but shapewear used to give me anxiety before events. Now I actually look forward to getting dressed up. Total mindset shift.

Cressida R. Verified Customer
★★★★★

I kept putting off ordering because I thought sizing would be a nightmare. It wasn't. Fits like it was made for me and smooths everything out without squeezing.

Romilly T. Verified Customer
★★★★★

Was scared it would be too tight around my stomach and hard to breathe in. Turns out it's snug but never uncomfortable. My posture has honestly improved too.

Ottilie B. Verified Customer
★★★★★

I've bought from so many brands and always ended up disappointed, so I almost didn't order. So glad I did this is the first time I've felt confident in fitted dresses again.

Elspeth C. Verified Customer
★★★★★

Honestly doubted if shapewear could ever be comfortable enough to wear all day. I was wrong. My back doesn't ache anymore and I actually forget I'm wearing it.

Tabitha Y. Verified Customer
★★★★★

I was so nervous it would roll down or dig into my skin like everything else I've tried. Not the case at all. Genuinely changed how my clothes fit and how I feel in them.

Annabel Z. Verified Customer

Frequently Asked Questions

  • We accept all major credit and debit cards, along with popular options like Apple Pay and PayPal depending on your location.

  • Orders are typically dispatched within 1–3 business days, with delivery taking 5-8 business days depending on your location.

  • Yes, we offer a 14 day return policy. If you're not satisfied, you can return your order within 14 days of delivery for a full refund.

  • Once your order ships, you'll receive a tracking number by email.

Discreet Packaging
Easy Returns
Easy Checkouts