L.A. radio station KIIS FM held their annual Wango Tango concert last Saturday night (May 14) at the Staples Center in Los Angeles.

The event was hosted by Ryan Seacrest and co-hosted by Britney Spears, while stars like LL Cool J, Paris Hilton, Jordin Sparks and more were in the mix and spotted on the red carpet. The concert also featured performances by Jennifer Lopez, Ne-Yo, Pitbull, Ke$ha, Selena Gomez, Lupe Fiasco and many others.

Check out pics below: