Today is National Bikini Day, and here at SI Swimsuit, we’re prepared to celebrate accordingly. Here’s a quick history lesson: the bikini was invented on this day in 1946, when Louis Réard introduced ...

The sisters are continuing their European vacation after attending Jeff Bezos and Lauren Sánchez’s Venetian wedding last ...

The beauty mogul has teased a new swimwear collection with Frankie's Bikinis, and fashion fans can't contain their excitement ...

To wrap the festivities, Kylie stepped out in a glitzy silver crop top by Paul Aaron, with flirty tassels that danced against ...

Kylie Jenner wore a slew of sexy swimwear while enjoying a vacation in Tuscany with her two children. The mogul also teased a swimwear collab between her clothing brand Khy and Frankie's Bikinis.

The polka-dot bikini—a motif as old as modern swimwear itself—is back in the zeitgeist, refreshed through the lens of fashion’s most photographed. From string sets to sculpted underwire, this season’s ...

The Khy founder modeled the animal-print two-piece while snacking on a bowl of cherries and sipping on some white wine.

Kylie Jenner wore a cheeky, plunging cheetah-print bikini for an afternoon of sunning in Italy. See her fierce two-piece, ...

Kylie Jenner sparked further speculation she has gone under the knife as she showed off her tiniest waist ever while ...

Key Takeaways After initially reigning supreme in the '90s and early 2000s, tankinis are trending again thanks to innovative new launches from brands like Muehleder, Dippin' Daisy's, and Frankies ...