Season 12

Guest Stars:

Dorothy Lucey, William H. Macy, Jillian Warry Barberie, Steve Edwards, Jewel

Guest Stars:

Paul Walker, Jack Johnson

Guest Stars:

Jay Mohr, Harrison Ford, Sananda Maitreya

Guest Stars:

Eva Mendes, Terry Bradshaw

Guest Stars:

Chris Berman, Michelle Branch, Charlize Theron

Guest Stars:

Justin Guarini, John Corbett

Guest Stars:

Josh Hartnett

Guest Stars:

Guy Pearce, Jesse Ventura

Guest Stars:

Tyler Florence, Jennifer Aniston

Guest Stars:

Martin Short, Gavin Rossdale

Guest Stars:

Kate Hudson, Cedric the Entertainer

Guest Stars:

Justin Guarini, Eric Bana, Drew Barrymore

Guest Stars:

Dwight Yoakam

Guest Stars:

Mark Valley, Lisa Kudrow, Justin Timberlake

Guest Stars:

P!nk, Matt LeBlanc

Guest Stars:

Cameron Diaz, Jimmy Carr

Guest Stars:

Keira Knightley, Liz Phair, Ellen DeGeneres

Guest Stars:

Murphy Lee, Roger Ebert, Nelly, Richard Roeper

Guest Stars:

Blu Cantrell, Arnold Schwarzenegger, Snoop Dogg

Guest Stars:

Ricky Martin, Johnny Depp

Guest Stars:

Monica, Sally Field

Guest Stars:

James Woods, Kristanna Loken

Guest Stars:

Will Smith

Guest Stars:

Colin Quinn

Guest Stars:

Burt Reynolds

Guest Stars:

Martin Lawrence, Rowan Atkinson

Guest Stars:

Serena Williams, Taylor Hanson, Zac Hanson, Isaac Hanson, Bill Maher

Guest Stars:

Tobey Maguire, Natalie Imbruglia, Aimee Mann

Guest Stars:

Sean Connery, Chingy, Gabrielle Union

Guest Stars:

Angelina Jolie

Guest Stars:

Rosanne Cash, Natalie Imbruglia, Dennis Miller

Guest Stars:

Paige Davis, Luke Wilson, Toby Keith

Guest Stars:

Tom Green

Guest Stars:

Drew Carey, John Mellencamp

Guest Stars:

Jeff Bridges

Guest Stars:

Ben Lee, Dakota Fanning

Guest Stars:

Jeff Beck, Colin Farrell, B.B. King

Guest Stars:

Alyson Hannigan, Samuel L. Jackson, Alison Krauss, Ryan Seacrest

Guest Stars:

Jay Mohr, Hillary Clinton

Guest Stars:

Carl Reiner, Jamie Lee Curtis

Guest Stars:

Dat Phan, Arnold Schwarzenegger, Jewel

Guest Stars:

Megan Mullally, Shia LaBeouf

Guest Stars:

Tara Reid, Bill Paxton, James Paxton

Guest Stars:

Bob Sapp, Ben Affleck

Guest Stars:

Kelly Rowland, Ashton Kutcher

Guest Stars:

Brittany Murphy

Guest Stars:

Kyan Douglas, Ted Allen, Thom Filicia, Jai Rodriguez

Guest Stars:

Kyan Douglas, Ted Allen, Sean Paul, Thom Filicia, Jai Rodriguez

Guest Stars:

Gregg Allman, Jamie Kennedy, Ellen DeGeneres

Guest Stars:

Alyssa Milano, Edd Hall

Guest Stars:

Alyssa Milano, Amy Grant, Dave Attell, Terry Bradshaw

Guest Stars:

Perry Farrell, Ali Wentworth, Conan O'Brien

Guest Stars:

Oscar de la Hoya, John Larroquette

Guest Stars:

Dennis Miller

Guest Stars:

George Wallace, Farrah Fawcett-Majors

Guest Stars:

Adrien Brody

Guest Stars:

Scarlett Johansson

Guest Stars:

Rhonda Smith, John Blackwell, Renato Neto, Chance Howard, Candy Dulfer