While we'll never fully ditch our tried and true bikinis, there's no denying that the one-piece is having a moment [1]. And the one detail all the sexiest — and celeb-loved — suits have had in common this season? Low-cut and revealing arm holes [2], helping the wearer flash a bit of side-boob.
It's a subtle yet steamy way to make a statement by the water, and one that'll flatter a variety of chest sizes and body types. Scroll through to see a few our of favorite celebrities and style stars who have embraced this swimwear trend, then shop an option yourself to give it a try.
— Additional reporting by Samantha Sutton
Shop the Look
Andie The Marina - Eco - Violet - Classic [8] ($95)
Riot Swim Echo One Piece in Black
Riot Swim Echo One Piece in Black [9] ($96)
Gooseberry Intimates One Piece Storm
Gooseberry Intimates One Piece Storm [10] ($99)
Solid + Striped The Blair
Solid + Striped The Blair [11] ($188)
Norma Kamali Marissa One Piece in Black
Norma Kamali Marissa One Piece in Black [12] ($150)
Camila Coelho Yara One Piece in Orange
Camila Coelho Yara One Piece in Orange [13] ($118)
Londre The Minimalist
Londre The Minimalist [14] ($106)
Eres Mustard Les Essentiels Cachette Halterneck Swimsuit
Eres Mustard Les Essentiels Cachette Halterneck Swimsuit [15] ($425)
Ookioh Ocho Rios One Piece
Ookioh Ocho Rios One Piece [16] ($100)
Summersalt The Plunge
Summersalt The Plunge [17] ($95)