The short answer: the best plus size shapewear bodysuit has wide or adjustable straps, a back high enough to smooth your bra line, real bust room and a gusset opening for bathroom breaks. Choose it when you want your tummy, waist, sides and back smoothed in one piece, with no waistband to roll.
A bodysuit smooths and shapes while you wear it. It doesn't cause weight loss or permanent change. It gives you one clean line under fitted clothes.
Who a bodysuit is best for
- Your shapewear waistbands roll down or dig in
- You want your tummy, waist and back smoothed together
- You're wearing fitted tops, bodycon dresses or knits
- You want a smoother line from bust to hips
What to look for in a plus size bodysuit
Straps that don't dig
Wide straps spread the pull across your shoulders. Adjustable straps help if you're long- or short-waisted.
Back coverage
A higher back smooths the bra line and upper back. If back smoothing is your main goal, see our back smoothing guide.
Bust fit
Check whether a bodysuit has built-in support or is designed to wear with your own bra. A bust that's too tight flattens and spills. Measure your bust and compare it with the product's size chart.
Bottom style
- Thong: no lines under fitted trousers and bodycon
- Brief: more coverage and a secure feel
- Short leg: smooths the upper thighs too
A gusset opening
A hook or snap gusset means you don't have to take the whole bodysuit off for bathroom breaks, which matters for long events.
The best bodysuits for plus size
For everyday smoothing
The Josephine Wide-Strap Shaping Bodysuit has comfortable wide straps and smooths your tummy, waist and back. It comes in plus sizes 0XL to 4XL.
Josephine Wide-Strap Shaping BodysuitShop now
For fitted tops and bodycon
The Liesl Short-Sleeve Thong Bodysuit works as shapewear or as a top. Short sleeves add upper-arm coverage, and the thong bottom leaves no lines under fitted skirts and trousers.
Liesl Short-Sleeve Thong BodysuitShop now
For events and firmer sculpting
The Mireille Zip-Belt Sculpting Bodysuit adds a zip waist belt for extra definition, which makes it ideal for special occasions and bodycon dresses.
Mireille Zip-Belt Sculpting BodysuitShop now
Compare them all in shaping bodysuits.
Bodysuit vs shorts vs briefs
- Bodysuit: smooths bust to hips with no waistband. Best for fitted tops, bodycon and events.
- High-waist shorts: tummy and thighs, easy on and off. Best for dresses and skirts. Shop shaping shorts.
- High-waist briefs or thongs: tummy smoothing with the least coverage. Best for trousers and jeans. See our tummy control guide.
Fit and sizing tips
- Measure your bust, waist and hips, and your torso length if you're tall, then match them with each product's own chart. See our plus size sizing guide.
- Straps dig or the crotch pulls down? The torso is too short. Size up or loosen the straps.
- Bunching at the waist? The torso is too long, or the size is too big.
- Test by sitting and reaching. A good bodysuit moves with you. Read how tight shapewear should be.
Common mistakes
- Sizing down for more hold. It pulls on the shoulders and crotch.
- Ignoring your bust measurement. Bodysuits need to fit your bust, not just your waist.
- Wrong neckline for your outfit. Check the straps and back against your top or dress.
- Firm sculpting for all-day wear. Choose lighter control for everyday. Our compression levels guide explains more.
What to wear it with
- Bodycon dresses: shop bodycon shapewear
- Jumpsuits: shop shapewear for jumpsuits
- Special occasions: shop special occasion shapewear
PRODUCT OPPORTUNITY: A full-body shaper with thigh-length legs in sizes up to 6XL, and a large-bust bodysuit with underwire support for fuller cup sizes.
Shapewear bodysuit FAQs
What is the best shapewear bodysuit for plus size?
One with wide or adjustable straps, a higher back, room for your bust and a gusset opening, sized from the product's own chart.
Do shapewear bodysuits help with a stomach pooch?
Yes, while you wear them. A bodysuit smooths the tummy with no waistband to roll. For lower belly help, see our lower belly guide.
Can I wear a bra with a shapewear bodysuit?
With many styles, yes. Check whether the bodysuit has built-in support or is designed to wear with your own bra.
How do I go to the bathroom in a bodysuit?
Look for a hook or snap gusset opening, so you don't need to take it off.
Is a bodysuit or shorts better under a dress?
A bodysuit smooths more under fitted dresses. Shorts are better if thigh chafing is your main concern. See our thighs guide.
Can a bodysuit be worn as a top?
Some can. Styles like Liesl are designed to look good on their own under open shirts or with skirts.
One piece, one smooth line
A great bodysuit makes getting dressed easier: no rolling, no digging and a smooth line from bust to hips. Find more help in our best plus size shapewear guide. Shop shaping bodysuits, or visit our Shapewear Guides.