Terry Bradshaw, Elle Fanning, Chris Mann

Katherine Heigl, Marjorie Johnson, Johnny Mathis

Jamie Foxx, Carl Reiner, "The Voice" winner Cassadee Pope

Quentin Tarantino, LeAnn Rimes

Megan Fox, Johnny Manziel, Colbie Caillat

Bette Midler, Judd Apatow, Pentatonix

Hugh Jackman, Maria Sharapova, J.D. McPherson

Albert Brooks, Kerry Washington, Willy Moon

Ewan McGregor, Bailee Madison, Allen Stone

Matt Damon, Chris Pratt, Of Monsters And Men

Leslie Mann, Jim Rome, Garbage

Bill O'Reilly, Krysten Ritter, Paloma Faith

Don Johnson, Julie Scardina, Darius Rucker

Khloe Kardashian Odom, Adam Carolla, Matisyahu

Gerard Butler, Olivia Munn, the Polyphonic Spree

Marisa Tomei, Carson Daly, Il Volo

Newt Gingrich, Ron Shirley, Grouplove

Wanda Sykes, Blake Shelton

Julie Bowen, "Rocket City Rednecks", Little Big Town

Jim Parsons, Maggie Elizabeth Jones, Delta Rae

Bradley Cooper, Natasha Leggero, PSY

Joseph Gordon-Levitt, Kris Jenner, Dan Cummings

Lindsay Lohan, David Gregory, Wanda Jackson

Jennifer Lawrence, Phil & Willie Robertson, Andy Grammer

Chris Matthews, Keegan-Michael Key & Jordan Peele, the Mowgli's

Tim Allen, Nolan Gould, Switchfoot

Helen Hunt, Paul "DJ Pauly D" DelVecchio, Kylie Minogue

Keira Knightley, Whitney Cummings, Gin Wigmore

Lea Michele, Nev Schulman, Toby Keith

Meredith Vieira & Richard Cohen, Christina Perri

Sally Field, Michael Kosta, Lord Huron

Daniel Craig, Dave Salmoni, Diamond Rings

Kristen Stewart, Dax Shepard, Kip Moore

Marion Cotillard, Olate Dogs, Third Day

Jamie Lee Curtis, Barry Zito, Sergio Romo, ZZ Ward

Taylor Lautner, Lior Suchard, Macy Gray

John C. Reilly, Jenni "JWoww" Farley, Lifehouse

Simon Cowell, Britney Spears, Billy Gardell, Two Door Cinema Club

Sarah Silverman, Paula Deen, Lyle Lovett

Jane Lynch, Russell Brand, Mika

President Barack Obama, No Doubt

Denzel Washington, Richard Engel, the Wombats

Halle Berry, Ali Wentworth, Gary Clark Jr.

Whitney Cummings, Rove McManus, the Script

Terry Bradshaw, Mark Kelly, Grizzly Bear

Chelsea Handler, Placido Domingo

Tyler Perry, Oscar Pistorius, Plain White T's

Arnold Schwarzenegger, Bubba Watson, the Wallflowers

Colin Farrell, Medal of Honor recipient Dakota Meyer, the Hives

Ben Affleck, Octavia Spencer, Neon Trees

Christina Applegate, Apolo Anton Ohno, A Fine Frenzy

Carol Burnett, Armie Hammer, Lang Lang

Bryan Cranston, Rebel Wilson, Cher Lloyd

Christina Aguilera, Sherri Shepherd, the Piano Guys

Liam Neeson, Lisa Lampanelli, the Gaslight Anthem

Kirstie Alley, Mike "The Situation" Sorrentino, Richie Sambora

Ann Romney, Seth MacFarlane, Bettye LaVette

David Spade, Giancarlo Esposito, Rebecca Ferguson

Zooey Deschanel, Anthony Anderson, ZZ Top

Viola Davis, Paul Wesley, Bonnie Raitt

Amy Poehler, Joe Scarborough, Big & Rich

Justin Timberlake, Steve Nash, Ryan Bingham

Richard Gere, Anthony Robles, Rascal Flatts

Matthew Perry, Meghan McCain, OneRepublic

Ellen DeGeneres, Josh Lucas, Billy Ray Cyrus

Adam Levine, Magic Johnson, Grace Potter

Kevin Hart, Rep. Ron Paul, Robert Cray

Lauren Graham, Dan Patrick, the Dunwells

Savannah Guthrie, Dolph Lundgren, Hoobastank

Bill Maher, Adam Hunter, Tristan Prettyman

Lisa Kudrow, Richard Rawlings & Aaron Kaufman, Owl City with Carly Rae Jepsen

Dennis Miller, Kate Flannery, Joshua Radin

Howie Mandel, Alejandro Escovedo

Kirsten Dunst, Chris Matthews, Smashing Pumpkins

Katie Couric, Dax Shepard, Emeli Sande

Shia LaBeouf, Jean-Claude Van Damme, Fun.

Maya Rudolph, Jeff Foxworthy, Morning Parade

Jason Statham, Allyson Felix, the Offspring

Kristen Bell, Ryan Lochte, Regina Spektor

Sylvester Stallone, Missy Franklin, Dwight Yoakam

Kelsey Grammer, Jordan Burroughs, Ryan Star

Michelle Obama, Gabrielle Douglas, Norah Jones

Jeremy Renner, Betty White, Joss Stone

Colin Farrell, Dwyane Wade, MoZella

Jessica Biel, Kevin Smith, the Lumineers

Julie Scardina, Jenni "JWoww" Farley, Jay Sean

Vince Vaughn, Travis Pastrana, Aretha Franklin

Ben Stiller, Rose Byrne, Missy Higgins

Rachel Weisz, Aaron Paul, Robert Francis

Newt Gingrich, Nicole "Snooki" Polizzi, MGK

Kate Beckinsale, Adam Carolla, Lionel Richie

Charlie Sheen, Jay Mohr, Imagine Dragons

Dana Carvey, Nicki Minaj

Denis Leary, Olivia Munn, Kenny Chesney

Morgan Freeman, "Britain's Got Talent" winners Ashleigh & Pudsey, Jana Kramer

Zachary Levi, Bubba Watson, B.o.B.

Wanda Sykes, Rob Riggle, Kimbra

Andrew Garfield, Quvenzhane Wallis, Of Monsters And Men

Tyler Perry, Rhys Ifans, Keane

Mila Kunis, Jim Norton, Justin Bieber

Matt LeBlanc, Sig Hansen & Keith Colburn, Robin Thicke

Louis C.K., Lolo Jones, Delta Rae

Chris Pine, Rachael Ray, Everclear

Katy Perry, Michael Wigge, Needtobreathe

Andy Samberg, Seth MacFarlane, Joe Henry featuring Lisa Hannigan

Matthew McConaughey, Natasha Leggero, Grouplove

Steve Carell, Cory Booker, Glen Hansard

Salma Hayek, Adam Brody, Olly Murs

Penelope Cruz, Rick Harrison, We Are Augustines

Terry Bradshaw, Ernie Brown Jr., Neal James, Rachel Bradshaw

Patrick Duffy, Linda Grey, Larry Hagman, Meghan McCain, Meiko

Elizabeth Banks, Dan Patrick, Brandi Carlile

Tom Cruise, skydivers Felix Baumgartner & Joe Kittinger, Kool & the Gang

Catherine Zeta-Jones, Louis Zamperini, Bret Michaels

Julia Louis-Dreyfus, Brian Banks, the Beach Boys

Emma Stone, Chris Hemsworth, Chris Robinson Brotherhood

Martin Short, Aubrey Plaza, Def Leppard

Gen. Colin Powell, Greg Gadson, All American Rejects

Glenn Close, "American Idol" winner Phillip Phillips, Nelly Furtado

Charlize Theron, Jeffrey Dean Morgan, Juanes

Josh Brolin, Ali Wentworth, Glenn Frey

Kevin Costner, Bailee Madison, Lisa Marie Presley

Sherri Shepherd, Julianne Hough, Tenacious D

Hugh Laurie, Robert Griffin III

Joel McHale, Jarod Miller, Bobby Brown

Wanda Sykes, Andy Cohen, Santana

Kourtney, Kim & Khloe Kardashian, Donny Deutsch, Karmin

Jenna Fischer, Jay Mohr, Katherine Jenkins

Howie Mandel, Vinny Guadagnino, Sara Watkins

Garry Shandling, Alison Brie, "The Voice" winner Jermaine Paul

Rick Santorum, Taylor Kitsch, B.o.B., O.A.R.

Michelle Pfeiffer, Bear Grylls, Snow Patrol

Kristen Stewart, Randy Jackson, James Morrison

Robert Downey Jr., Katharine McPhee, the Arts For Amnesty Band

Scarlett Johansson, Blake Shelton, K'Naan featuring Nelly Furtado

Cameron Diaz, William Shatner, Lee Brice

Steve Martin, Mario Joyner, Steve Martin & the Steep Canyon Rangers

Mel Gibson, Jeremy Minnier, the Wanted

Diane Keaton, Natalie Coughlin, Moby

Adam Levine, Richard Engel, Ziggy Marley

Jack Black, Daniel Holzman & Michael Chernow, Beirut

Jesse Tyler Ferguson, Aubrey O'Day, Train

Channing Tatum, Drew Brees, Meat Loaf

Taylor Swift, Michael Clarke Duncan, Cesar & David of Los Lobos, Robert Randolph, Chris Layton

Jimmy Fallon, H.L. McCullough, Toby Keith

Christina Aguilera, Kevin Smith, Melanie Fiona featuring J. Cole

Drew Barrymore, Blake Shelton

Jason Segel, Anna Faris, Far East Movement

Tim Allen, Chris Diamantopoulos, Feist

Albert Brooks, Austin "Chumlee" Russell & Corey "Big Hoss" Harrison, Neon Trees

Josh Hutcherson, Rachel Maddow, Eric Turner featuring Lupe Fiasco and Tinie Tempah

Jane Lynch, Kevin Hart, Esperanza Spalding

Kristin Chenoweth, Julie Scardina, Rodrigo y Gabriela

Zac Efron, Jennie Garth, Grace Potter and the Nocturnals

David Gregory, Cee-Lo Green, Seal

Maya Rudolph, Jason Biggs, Gym Class Heroes

Betty White, Paul "DJ Pauly D" DelVecchio, Eric Hutchinson

Nicole Richie, Will Sasso, Alan Jackson

Piers Morgan, Liam Hemsworth, Mat Kearney

Rainn Wilson, Debbie Gibson, Gavin DeGraw

Mitt Romney, Megan Hilty, the Pierces

Elizabeth Banks, Carson Daly, Jake Owen

Christina Aguilera, Kevin Smith, Melanie Fiona featuring J. Cole

Arsenio Hall, Lily Collins, the Secret Sisters

Kim Kardashian, Sherri Shepherd, Tennis

Rep. Ron Paul, Frank Caliendo, the Wanted

Jamie Lee Curtis, Armie Hammer, Robert Glasper Experiment featuring Ledisi

Jimmy Fallon, 8-year-old presidential whiz kid H.L. McCullough, Toby Keith

Kiefer Sutherland, Kathryn Hahn, Andy Grammer

Channing Tatum, Drew Brees, Meat Loaf

Jonah Hill, Bethenny Frankel, Shooter Jennings

Jessica Simpson, Adam Carolla, Soja

Emily Blunt, Geoff Stults, Scars on 45

Julianne Moore, Dr. Brady Barr, Chickenfoot

Sen. John McCain, Elizabeth Olsen, Romeo Santos

Rob Schneider, Khloe Kardashian Odom, Mona

Megan Fox, Michel Hazanavicius, Mariachi El Bronx

Jennifer Aniston, Adam Levine, Chiddy Bang

Meredith Vieira, Jackson Murphy, Redlight King

Tim Allen, Rocket City Rednecks, Jessie Baylin

Bill O'Reilly, Rob Riggle, Rumer

Taylor Swift, Michael Clarke Duncan, Robert Randolph, Cesar & David of Los Lobos, Chris Layton

Dave Salmoni, Timothy Olyphant, the Fray

Amanda Seyfried, Billy Gardell, Monica, Brandy

Bill Maher, Ali Wentworth, Punch Brothers

Tyler Perry, Dorothy Custer, the Cranberries

Jennifer Lopez, Jeff Dunham, the Civil Wars

Rachel McAdams, Cee-Lo Green

Denzel Washington, Octavia Spencer, Estelle

Chris Pine, Lisa Lampanelli, Anthony Hamilton

Chelsea Handler, Jon Huntsman, 2Cellos

Dwayne Johnson, Miranda Cosgrove, Cirque du Soleil "Ovo"

Debra Messing, Jean Dujardin, Bush

Drew Barrymore, Blake Shelton

Daniel Radcliffe, Vanessa Hudgens, Evanescence

Michelle Obama, Mark Harmon, Imelda May

Madonna, Chris Colfer, Joe Perry

Steven Tyler, Ryan Seacrest, Randy Jackson, Sarah Colonna

Wanda Sykes, Mark Cuban, David Nail

Jennifer Garner, Ross Matthews, Parachute

Sam Worthington, Sherri Shepherd, Adam Lambert

Tilda Swinton, Jennifer Hudson, Graffiti6

Gerard Butler, Betty White, Ledisi

Liam Neeson, Meghan McCain, Jack's Mannequin

Queen Latifah, Paul "DJ Pauly D" DelVecchio, Augustana

Janet Jackson, Larry the Cable Guy, Eli Young Band

Glenn Close, Trevor Noah, Van Hunt

Michelle Williams, Josh Lucas, Chris Cornell

Courteney Cox, Joy Behar, Youngblood Hawke

Arnold Schwarzenegger, Chumlee & Rick Harrison, Ziggy Marley