Mark Your Party Calendar

Las Vegas and Miami are going off this weekend with celebrity guest hosts. The man known to create the best beats in the world, Timbaland will take over club Cameo Tonight. Along with Timba, expect to see DJ Irie take on the turntable and rock the house.

Las Vegas in the meantime will be taken over by TV show stars. At TAO Las Vegas “Gossip Girl” Ed Westwick will celebrate his 21st Birthday. In his entourage you will find Westwick’s Gossip Girl co-star Chase Crawford. If you’re in town, we want the scoop on whether these two are more than "just friends."

“The Hills” star Lauren Bosworth will take over Prive tonight (Friday, June 27). Knowing Lo she will drag her Bff Lauren Conrad with her, since these two are glued by the hip.

If you want to try to keep up with the Kardashians, head over to PURE. Khloe Kardashian will be celebrating her birthday tonight (Friday, June 27) and expect to see her sisters Kim Kardashian and Kourtney Kardashian along for the ride.

If you’re looking for a hot party Saturday night in Las Vegas, head out to club LAX. Pussycat Dolls lead singer Nicole Scherzinger will celebrate her birthday in grand style.