A$AP Ferg seems like he’d be the best friend ever. Just ask Cara Delevingne, who appears in his new celeb-packed video for “Dope Walk†on the other end of a FaceTime call (of course) to watch Ferg’s wild time during New York Fashion Week — which apparently involved teaching Haim and dozens others how to get their gangsta lean on. Don’t blink or you’ll miss a cameo!