Usher, Lady Gaga, Stevie Wonder and Bono from U2 were among the performers who lended their musical talents to Bill Clinton’s “A Decade of Difference” concert in Los Angeles Saturday night (Oct 15).

The event, held in celebration of the former U.S. president’s William J. Clinton Foundation, also served as an event to honor Clinton’s 65th birthday, and features appearances from Ashton Kutcher, Ellen DeGeneres, Lindsay Lohan and others, as well as a performance from Kenny Chesney and Grace Potter.

Check out the pics below!