A sure sign of seasonal change? When everyone’s hair starts turning blonde(r). Crystal Renn sent her agency a few photos of her trip to the Caribbean, and while the dolphins are cute, it’s the bleached do that has the Internet buzzing. The model’s matching platinum eyebrows make the look doubly dramatic and render her face almost unrecognizable. Last time she went blonde, for an Italian Vogue editorial two years ago, she kept her signature arched eyebrows for a screen siren look we could actually get behind.