The 17 Hottest Swimsuits of the Year, From Cutouts to Plunging Necklines

Riot Swim Echo One-Piece ($150)

If you've yet to stock up on one of Riot Swim's many sexy one-pieces, you're seriously missing out. This particular style is one of the most popular pieces on Instagram and TikTok at the moment, and we can't get enough of its plunging neckline, high-cut sides, and ruched, figure-flattering middle. It comes in a ton of fun shades, so it'll be hard to pick just one.