Albert Hammond Jr.
Jeff Gordon
Rosie O'Donnell
Jerry O'Connell
Christopher Meloni
Paul McCartney
James Marsden
Bill Maher
Howie Mandel
Avril Lavigne
Jane Krakowski
Michael Sheen
Fall Out Boy
Terry Crews
Regina King
Tony Hawk
Sean Hayes
Benedict Cumberbatch
Kevin Hart
Jon Favreau
George Lopez
Nicole Byer
Meredith Vieira
Rob Corddry
Rufus Wainwright
Colin Farrell
Lena Dunham
Judy Greer
Niall Horan
Adam Levine
Octavia Spencer
Louis Tomlinson
David Grohl
David Koechner
Gerard Butler
Eddie Izzard
Elliot Page
Eric Bana
Carol Burnett
Josh Brolin
Alex Trebek
Amy Poehler
Death Cab for Cutie
Arctic Monkeys
Jason Bateman
Josh Gad
Bob Newhart
Noel Gallagher
Jerry Trainor
Zac Efron
Katie Couric
Paula Abdul
Elijah Wood
Reese Witherspoon
Franz Ferdinand
Padma Lakshmi
Stephen Merchant
Joe Perry
Billy Bob Thornton
Spoon
Eugene Levy
Bryce Dallas Howard
Kate Mara
Seth Meyers
Sia
Shaquille O'Neal
Mike Shinoda
Dennis Quaid
Dolly Parton
Olivia Wilde
Wendy Williams
Ray Liotta
Naomi Watts
Josh Hutcherson
Kristen Stewart
George Takei
Jeremy Irons
Bob Saget
James Earl Jones
Jerry Springer
Michelle Obama
Sting
Janeane Garofalo
Stephen Fry
David Schwimmer
Robert Plant
Michelle Monaghan
Emilia Clarke
Robert Downey Jr.
Chris Hardwick
Matt Damon
Rob Reiner
Chevy Chase
Cindy Crawford
Pedro Pascal
Joan Rivers
Amy Brenneman
Harry Shearer
Anthony Mackie