Gigi Hadid Just Started Your New Favorite Bikini Trend

We've seen her in string bikinis and triangle tops — but a sweater-kini? It seems Gigi Hadid is starting a new swimwear trend. The It model is already a swimsuit model for Victoria's Secret and Sports Illustrated, and now Gigi is not just rocking swimwear trends but also creating them. The beach babe was spotted in Malibu, CA, wearing some unusual swimwear while working on her latest project: a starring role in DJ Calvin Harris's latest music video (he just so happens to be dating Gigi's high-fashion friend Taylor Swift).

Instead of bold colors or prints, Gigi went for statement-making black separates. She paired skintight Seafolly hot pants with a long-sleeved crochet bikini top that we are dubbing the sweater-kini. And while we're pretty sure her crop top isn't intended to keep her warm, we like the knit details of the surprisingly sexy look. Read on for some unexpectedly cool swim-spiration, and then shop Gigi's outfit yourself.