Demi Lovato; Emile Hirsch; AFI

Jennifer Aniston; No Doubt

Ryan Gosling; Brad Paisley

Dr. Mehmet Oz; Chris Paul & Blake Griffin

Sofia Vergara; George Lois; Bruno Mars

Ellen DeGeneres; Sean Lowe; One Republic

Rob Lowe; Bryce Harper; Big Boi

Ray Romano; Amy Brenneman; Phillip Phillips

Mark Wahlberg; Bob Pflugfelder

Julie Bowen; LeAnn Rimes; Chris Wallace

Naomi Watts; Allison Williams; Gin Wingmore

Jimmy Kimmel Sucks

Nicki Minaj; Josh Bowman

Jude Law; J.B. Smoove; Gavin DeGraw

Kim & Kourtney Kardashian; Adam Driver; Halestorm

Nicholas Hoult; Antibalas

Jennifer Lawrence; Mindy Kaling; Tegan and Sara

Melissa McCarthy; Mark Duplass; Anita Baker

Bradley Cooper; Kate Mara; Emeli Sandé

Ewan McGregor; Julianne Hough; Gary Clark Jr.

Dr. Phil McGraw; Jim Jefferies; Tim McGraw

Mindy Kaling; Carl Reiner; Family of the Year

Jessica Alba; Bobby Flay; Ellie Goulding

James Franco; Nigella Lawson; Fall Out Boy

Rachel Weisz; Josh Groban

Andy Samberg; David Steinberg; Ben Harper feat. Charlie Musselwhite

Anthony Edwards; Mike Piazza; Rob Delaney

Michael Strahan; Miles Teller; Dido

Kelly Ripa; Elon Musk; The Mowgli's

Matthew Fox; Radha Mitchell; Ryan Bingham

Terrence Howard; the cast of “Duck Dynasty”; Morrissey

Stanley Tucci; Gold Fields

Jim Parsons; CA Lt. Gov. Gavin Newsom; Ziggy Marley

Ben Hoffman; Sean Rowe

Zach Braff; Lauren Cohan

Jessica Simpson; Jim Jefferies; Luke Bryan

Kobe Bryant; Dominic Monaghan; Rival Sons

Jennifer Love Hewitt; Steven Yeun; Keyshia Cole

Gerard Butler; Vanessa Hudgens; T.I.

Halle Berry; Elle Fanning; RDGLDGRN

Ellen Pompeo; Sean Lowe; Lianne La Havas

Dana Delany; Nikolaj Coster-Waldau; Dustin Lynch

Jeremy Piven; Kareem Abdul-Jabbar; Kid Cudi

Bruce Willis; Zendaya; Divine Fits

Dwayne Johnson; Saoirse Ronan; Kendrick Lamar

Shaquille O'Neal; Demi Lovato

Bill Maher; Giancarlo Esposito; Cold War Kids

Russell Brand; Bob Costas; Gary Allan

Patrick Dempsey; Elisabeth Moss; Seth Sentry

Rachel McAdams; Kelly Oxford; Kid Rock

Rosario Dawson; Nicole Richie; Foals

Jason Bateman; Chadwick Boseman; Alice in Chains

Tom Cruise; Ke$ha; Paramore

Jennifer Hudson; Bob Saget; Yeah Yeah Yeahs

Mark Wahlberg; Jennifer Morrison; New Order

Harrison Ford; Anthony Mackie; M83

Chris O'Donnell; Ken Jeong; Phoenix

Dennis Quaid; Abigail Spencer; Portugal. The Man

Topher Grace; Adam Savage & Jamie Hyneman; Depeche Mode

Kaley Cuoco; Goran Visnjic; Olly Murs

Martin Short; Leah Remini; Zac Brown Band

Jon Favreau; Gabourey Sidibe; Band of Horses

Pierce Brosnan; Greta Gerwig; Alice Russel

Mel Brooks; “Science Bob” Pflugfelder; The Airborne Toxic Event

Rod Stewart; Edie Falco

Robert Downey, Jr.; Simon Pegg; Goo Goo Dolls

Zoe Saldana; Bill Simmons; Fitz an The Tantrums

Tobey Maguire; Kerry Washington; will.i.am

J.J. Abrams; Jason & Jarron Collins; Huey Lewis and the News

Chris Pine; Connie Britton; Dawes

Adam Levine; Alice Eve; Bad Rabbits

Ed Helms; Jewel

Ethan Hawke; Desiree Hartsock; 30 Seconds to Mars

Alyssa Milano; Chris “Ludacris” Bridges; Darius Rucker

Mark Ruffalo; Scrabble champions; Reggie Watts

Amy Adams; Dave Franco; Lady Antebellum

Jonah Hill; spelling bee champion; The Lonely Island feat. Alanis Morissette

Lil' Wayne; Chris Messina; Jimmy Eat World

Shakira; Jay Baruchel; Robin Thicke feat. Pharrell

Maggie Gyllenhaal; Dean Norris; Empire of the Sun

Anna Paquin; Brad Keselowski; Muse

Liev Schreiber; Amy Schumer; Iron & Wine

Miley Cyrus; Marlon Wayans

Channing Tatum; Paul Feig; Pharrell

Dwyane Wade; Tony Goldwyn; The Neighbourhood

Johnny Depp; Rebecca Romijn; Steve Martorano

Armie Hammer; Adam Carolla; Ciara

Michael C. Hall; Miranda Cosgrove; ZZ Ward

Mary-Louise Parker; Idris Elba; Rhye

Kevin Bacon; Diane Kruger; The Bacon Brothers

Annette Bening; Michael B. Jordan; Karmin

Jeff Bridges; Jeff Lewis; Capital Cities

Neil Patrick Harris; Clayton Kershaw; Pepper

Larry David; Naya Rivera; Backstreet Boys

Johnny Knoxville; Logan Lerman; Queens of the Stone Age

Selena Gomez; Ben Stein; Palma Violets

Sharon Stone; Dane Cook; Jamie N Commons

Julia Louis-Dreyfus; Nick Offerman; Michael Kiwanuka

Jason Sudeikis; Amber Heard; Mayer Hawthorne

Harrison Ford; Keri Russell; Joan Jett

Liam Hemsworth; Chloë Grace Moretz; The National

Josh Duhamel; Adam Perry Lang; Luke Bryan

Oprah Winfrey; Christopher Mintz-Plasse; The Wanted

Ashton Kutcher; Melanie Griffith; Big Sean

Vin Diesel; Zachary Maxwell; John Legend

Bill Hader; Richard Simmons; Alpine

Jane Lynch; Jerry O'Connell; 2 Chainz

Celine Dion; Jim O'Heir

Cedric the Entertainer; Holy Ghost!

Simon Cowell; Stacy Keibler; Gary Clark Jr.

Queen Latifah; Tim Gunn; Preservation Hall Jazz Band

Jake Gyllenhaal; Dianna Agron; Weekend

Andy Samberg; Malin Akerman; Laura Mvula

Amy Poehler; Stephen Merchant; Bastille

Aaron Paul; Hannah Ware; Jim James

James Caan; Morena Baccarin; Grouplove

Paul McCartney; Patrick Dempsey

Justin Timberlake

Jon Hamm; Dave Salmoni

Rebel Wilson; Anthony Bourdain; Avril Lavigne

Danny DeVito; Wendi McLendon-Covey; The Lumineers

Will Arnett; Clark Gregg; Bonnie Raitt

Tim Allen; Kenny Rogers

John Mayer; Katie Lowes

The cast of “Modern Family”; KoЯn

Elton John; Emily VanCamp

Kanye West

Owen Wilson; Chris Paul, Blake Griffin & DeAndre Jordan; Panic! at the Disco

Woody Harrelson; Ke$ha; Ben Rector

Johnny Knoxville & Jackson Nicoll; Julianne Hough; Ariana Grande

Danny McBride & Steve Little; Chiwetel Ejiofor; Arctic Monkeys

Kerry Washington; “Science Bob” Pflugfelder; Sleigh Bells

James Franco; Snoop Lion

Al Gore; Ethan Dizon & Skylan Brooks; Michael Franti & Spearhead

Sean “Diddy” Combs; Keith Urban

Lisa Kudrow; Malcolm Gladwell; Kings of Leon

Dax Shepard; Kelly Rowland; Smallpools

Jennifer Garner; David Arquette; Arcade Fire

Sir Ben Kingsley; Rob Delaney; NONONO

Mindy Kaling; Joshua Malina; Rob Zombie

Chris Hemsworth; Artie Lange; Jane's Addiction

Vince Vaughn; Mark Consuelos; St. Lucia

Dr. Phil McGraw; Erin Andrews; Florida Georgia Line

Rob Lowe; Columbus Short; Nine Inch Nails

Zooey Deschanel; Chris Elliott; Frank Turner

Robin Williams; The Killers

Ray Romano; Eddie Cibrian; The Killers

Sarah Silverman; David Blaine; Charlie Wilson

Barbara Walters; Josh Gad; Fall Out Boy

Elizabeth Banks; Larry King; Daughtry

Idris Elba; Rene Redzepi; Chvrches

Chris Pratt; Pusha T

Casey Affleck; Mike Tyson; Linkin Park with Steve Aok

Patton Oswalt; The 1975

Orlando Bloom; Ronda Rousey; The Wild Feathers

Zoe Saldana; Martin Freeman; Toro y Moi

Benedict Cumberbatch; R. Kelly

Jason Schwartzman; Guillermo Díaz; Jake Owen

Queen Latifah; Cage the Elephant

Tom Hanks; Rachael Ray; Childish Gambino

Ryan Seacrest; Bradley Whitford; Mac Miller

Carey Mulligan; Scott Foley; Jeff Campbell

Colin Farrell; Jeanne Tripplehorn; Megadeth

Mark Wahlberg; Bruce Dern; Poliça

Tim Robbins; Bill Simmons; Jalen Rose; Haim

Ron Burgundy; Adam Scott; Christopher Cross

Mark Wahlberg, Bruce Dern, Polica

Courteney Cox, Juan Pablo Galavis, Jonathan Rice

Amy Adams, Margot Robbie, Xolie Morra & The Strange Kind

Sofia Vergara, Emmy Rossum, Yuna

Kristen Wiig, Nick Kroll, Lord Huron