Model Gigi Hadid slipped into a sexy, ab-baring outfit while shooting a Calvin Harris music video in Malibu, CA, on Thursday. She's reportedly the leading lady in his video for "How Deep Is Your Love," and in all likelihood, the pair's collaboration probably came about thanks to their Taylor Swift connection. Earlier this month, Gigi shared a picture of herself with Calvin and Karlie Kloss, all three of them cracking up in a photo snapped by Taylor. When Taylor retweeted the picture, she wrote, "I took a photo of my favorite people — they were laughing so hard, the lens couldn't capture it fast enough." As far as Calvin's music video, a source told Us Weekly that Gigi's lead role was inspired by Taylor. Keep reading for the best pictures of Gigi on set, then check out Gigi's hot photo shoot with her sister, Bella, plus Taylor and Calvin's cutest moments.