New York's legendary Apollo Theater celebrated its 75th anniversary Monday night with a concert fundraiser at the famed venue. In addition, Quincy Jones and Patti LaBelle were inducted of the Apollo Legends Hall of Fame. Prince, Mariah Carey, Gerald Levert, Anita Baker and the O'Jays were among the evening's guests, while Bill Cosby and his wife, Camille, were given the Ruby Dee and Ossie Davis Arts and Humanitarian Award. Check out pictures from the Apollo's 75th celebration below.