Summer is prime time to get your beach (or pool) on, but before you leave home, don't forget to grab the perfect cover-up. Jet-setting celebrities like Jessica Alba, Rosie Huntington-Whiteley, and Jennifer Lopez definitely didn't. Jessica sported a zigzag caftan with white denim cutoffs and a Tory Burch fedora during her vacation in St. Barts. Rosie Huntington-Whiteley mixed a colorful sarong with her printed bandeau bikini in the South of France, while Jennifer Lopez donned a green printed maxi dress over a black triangle bikini in Miami. Sizzling all around, right? Now it's your turn to get in on the fun by shopping the hottest cover-ups below before you make your sunny escape.