Gossip Girl star Leighton Meester is back on the west coast to film Single White Female rip-off The Roommate alongside Minka Kelly (talk about perfect casting - these two look very alike), which is a good thing because it gives her the opportunity to hit the beach in a bikini when she's not on set. For a skinny white girl, Leighton has quite the booty - and I mean that in a good way.