Tony award winner John Larroquette. Star of NBC's 30 Rock, Jane Krakowski. Country music star, Rodney Atkins. Pop star Avril Lavigne. Recording artist Michael Feinstein. The cast of Sesame Street and The Muppets. From NBC's Parenthood, Lauren Graham & Peter Krause. Winner of American Idol, Scotty McCreery. Disney Channel's Zendaya. Manheim Steamroller.