The 4 Best Strapless Shapewear Pieces for Women

Wearing a strapless dress or top should feel fun and effortless, not like a high-stakes balancing act between style and support. But let’s be real: The moment you lose the straps, your shapewear strategy can get a little more complicated. That’s where strapless shapewear steps in.

Strapless shapewear is specially designed to smooth, shape, and support you—all while staying hidden under shoulder-baring necklines. Think of it as your invisible style safety net: it lifts your bust, smooths out your silhouette, and stays exactly where it should.

Ahead, we’re breaking down exactly what to look for in strapless shapewear, plus four of our favorite SPANX pieces that make going strapless feel like no big deal.

What to Look for In a Strapless Shapewear

A good strapless piece isn’t just about looking smooth. It’s about staying comfy and confident from your first mimosa to your final goodbye hug. Here’s what makes all the difference:

Breathability

All-day (and all-night) comfort starts with fabric that lets your skin breathe. Look for lightweight, airy materials that keep you cool, even when you’re layered up under formalwear.

Stay-Put Design

No one wants to spend the night hiking up their shapewear. Silicone grips, snug bands, and clever construction keep everything where it’s supposed to be, without pinching or digging in.

Natural Smoothing Effect

You want sleek, not stiff. The best strapless shapewear hugs your curves in all the right places while still letting you move, dance, and eat dessert without feeling restricted.

SPANXsmooth Suit Your Fancy Strapless Bra

A strapless bra that actually stays put? Yes, it exists—and this is it. The SPANXsmooth Suit Your Fancy Strapless Bra is a smoothing, lightly padded bra that lifts, shapes, and disappears under everything from airy sundresses to elegant gowns. Flexible side boning and soft underwire give you the support you’d expect from a full-coverage bra—minus the straps.

“This is the perfect strapless for all of your formal dresses and your cute summer airy dresses!” says Caitlin. “I will definitely be using this for all my strapless tops with jeans. There were absolutely no rolls in the back or anything else to make me feel self-conscious. Just seamless!”

What to Wear It With:

• A flowy strapless maxi dress for summer weddings
• A structured off-the-shoulder jumpsuit for date night
• A bandeau top with high-waisted jeans for patio drinks

SPANXsmooth Suit Your Fancy Bandeau

When you want a little support without the structure of a full bra, reach for the SPANXsmooth Suit Your Fancy Bandeau. This comfy bandeau has lightly padded inserts for natural shape, silicone bands to keep it in place, and a smooth, seamless feel that disappears under anything. The soft stretch fabric feels luxe so you won’t be counting down the minutes to take it off.

“The value and quality of this bandeau is amazing,” says Rachelle. “Thick, luscious material with seamless padding inserts. I bought this for the silicone bands on the inside because I plan to do yoga and pole.”

What to Wear It With:

• A backless summer tank for running errands or lounging
• A strapless linen jumpsuit for rooftop cocktails
• A sheer, off-the-shoulder blouse for nights out

SPANXsmooth Suit Your Fancy Strapless Cupped Brief Bodysuit

For a little extra coverage and all-over smoothing, the SPANXsmooth Suit Your Fancy Strapless Cupped Brief Bodysuit is a total game-changer. This one-piece wonder has structured cups for built-in bust support, plus shaping panels that smooth your waist and tummy. The brief style keeps your lines clean and works with shorter hemlines too.

“Just what I needed!” says Deb. “I was looking for a strapless one-piece undergarment for under my formal dress. This had everything I was looking for.”

What to Wear It With:

• A strapless mini dress for cocktail parties
• A sleek satin slip dress for formal events
• A tailored romper for warm-weather celebrations

SPANXsmooth Suit Your Fancy Strapless Cupped Mid-Thigh Bodysuit

If you want maximum smoothing (especially under clingy fabrics or full-length gowns), the SPANXsmooth Suit Your Fancy Strapless Cupped Mid-Thigh Bodysuit has you covered, literally. It’s got all the smoothing and lift of the brief bodysuit, but with added mid-thigh coverage that shapes your hips and thighs too. The fabric is breathable and flexible, with silicone grippers that keep it firmly in place—no slipping or rolling.

“This saved my event!” says Michelle. “I purchased a formal full-length dress to attend an evening wedding…It was comfortable and it didn’t budge for 8 hours. I ate, drank, sat, stood, and danced. Even the gusset worked for its purpose without a mess.”

What to Wear It With:

• A floor-length strapless gown for black-tie weddings
• A fitted mermaid dress for galas or formals
• A body-hugging midi dress for fancy dinners or events

SPANX Has Strapless Shapewear Solutions for Any Body

Going strapless shouldn’t feel like you’re taking a risk—and with the best shapewear, it won’t. Whether you’re slipping into a sundress, a wedding gown, or an off-the-shoulder top, SPANX strapless shapewear keeps you smooth, supported, and confident from the first photo to the last dance.

So the next time your outfit calls for bare shoulders, don’t stress. Just choose the piece that works for you—and spend more time enjoying the moment (and less time adjusting in the bathroom mirror).