Strapless bra - am I looking for a unicorn?

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I'm going on a cruise next month, so planning ahead for formal nights. I need to find a good, comfortable, supportive strapless bra - I am a size 14/16 and 36E though and I have had zero success. Everything I try seems to flatten me a bit, or just doesn't stay up at all! Ideally I'd actually like it to push me up a bit... does such a bra exist?

this one was surprisingly good on me. But I have smallish boobs.

I think you need to try a whole bunch on as you need one that fits your particular shape?

I have big boobs and thought strapless was out for me but the wonder bra one was wardrobe changing for me

Bravissimo

Absolutely 💯

Wonderbra all the way!

actual game changer - I’m a 36D, boobs up where they are supposed to be, lovely shape, stays up.

Only downside is it makes my wee fat roll under my bust a bit worse - I can accept that for the above and it happens to me with all strapless bras.

The strapless wonder bra is amazing for bigger busts

You need a longline strapless bra for no rolls under the bust.

Who makes those?

Wacoal
Felina
Pour Moi https://www.johnlewis.com/pour-moi-rebel-longline-strapless-bra/p112990555

Parfait (great for D+ cup) https://www.ebay.co.uk/itm/285903926987?campid=5338953132&mkevt=1&mkcid=1&toolid=10050&customid=&mkrid=710-53481-19255-0&_trkparms=ispr%3D1&amdata=enc%3A1_K0neHzmT6q2oIzhxliobw25&campid=5338953132&mkevt=1&mkcid=1&toolid=10050&customid=5f50dd9fd02e176ad7e3b58ad29b5733&mkrid=710-53481-19255-0&msclkid=5f50dd9fd02e176ad7e3b58ad29b5733

I got mine from John Lewis. It ended just above the waist, so a bit like a short bustier.

Wonder bra with the “hands”. I got mine from Vinted

A comfortable supportive strapless bra truly is the holy grail.

I got a good one off Amazon - Lemorosy multiway contour strapless bra

The Wonderbra one is amazing, it’s the only one I’ve ever found that works (34E).