Jay- Z performed live at the 2011 Adult Swim Upfront event last week, which was held at the Roseland Ballroom in NYC Wednesday night (May 18).

Ne-Yo, Pharrell Williams and Swizz Beatz were also holding it down at the event along with many others celebs. During the press event, Adult Swim — a “sub-channel” that airs on Cartoon Network — announced the launch of three new series,”The Heart, She Holler”, “China, IL”, and “Tight Bros,” all due to premiere this fall.

Check out 10+ pics of celebs at the 2011 Adult Swim Upfront event in New York below: