Tracy Morgan and author Rodney Rothman stop by. The Dears are musical guest.

Actor Dominic Monaghan; actress Reiko Aylesworth.

Rock icon Ozzy Osbourne; Fozzie Bear; Erasure performs.

Actor Adam Scott; Gwen Stefani performs.

Actors Fred Willard, Seth McFarlane and Alex Borstein.

Jimmy welcomes actor Bradley Whitford; musical performance by Huey Lewis and The News.

Actor Anthony Michael Hall (The Dead Zone); funny guy Adam Carolla (The Man Show); musical guest Athlete.

Actor/comedian Cedric the Entertainer (The Honeymooners); Magician Amazing Johnathan; National Spelling Bee Champ Anurag Kashyap.

Comedian Dane Cook; musical performance by Nelly.

Actor Andy Dick; Model Rachel Perry; musical performance by The Faint

Former heavyweight champ George Foreman; model Rachel Perry; musical performance by John Butler Trio

Actor/comedian George Lopez; actress Gabrielle Union; musical performance by Embrace.

Legal commentator and CNN host Nancy Grace; boxing champ Evander Holyfield; former talk show host Kathie Lee Gifford.

Actress Carmen Electra; football great Michael Irvin; musical guest Audioslave.