Ryan Seacrest, Giada De Laurentiis, Gavin James

Donald Trump, Gary Clark Jr.

John Krasinski, Chris Fowler & Kirk Herbstreit, Seal

Oscar Isaac, Misty Copeland, Jeff Lynne's ELO

Calista Flockhart, Adam Perry Lang, Run the Jewels

Wanda Sykes, Lewis Hamilton, Band of Merrymakers

Albert Brooks, Tony Hale, Kool & the Gang

Quentin Tarantino, Samuel L. Jackson, Kurt Russell, Jennifer Jason Leigh, Walton Goggins, Tim Roth, Michael Madsen, Bruce Dern, Rick Ross

Maya Rudolph, Adam Scott

Liv Tyler, Conor McGregor, G-Eazy

(RED) Shopathon for World AIDS Day featuring Bono, Scarlett Johansson, Olivia Wilde, Snoop Dogg, Matt Damon, the Killers

Adam Sandler, Taylor Lautner, Luke Wilson, Terry Crews, Jorge Garcia, Rob Schneider, MashUp Monday featuring Fall Out Boyz II Men

Chris Evans, Robert Downey, Jr., Krysten Ritter, Fall Out Boy

Daisy Ridley, Adam Driver, John Boyega, J.J. Abrams

Melissa McCarthy, One Direction

Joseph Gordon-Levitt, Amber Heard, Albert Hammond Jr.

Josh Hutcherson, "Science Bob" Pflugfelder, Walk the Moon

Liam Hemsworth, Tracee Ellis Ross, Mash-Up Monday with Jewel and the Gang

Julia Roberts, Marcus Scribner, Yara Shahidi, Miles Brown, Marsai Martin, Future

Rob Lowe, Adrianne Palicki, Dave Gahan & Soulsavers

Anthony Anderson, Jena Malone, Chris Cornell

Ty Burrell, Lake Bell, Mash-Up Monday with Joss Stone Temple Pilots

Sen. Hillary Clinton, Bob Odenkirk, David Cross

Seth Rogen, the Band Perry

Sharon Stone, Dave Bautista, Jason Aldean

Mark Ruffalo, Constance Wu, Mash-Up Monday with "Color Me Bradd"

Harrison Ford, Katie Lowes

Anna Faris, Trevor Noah, Brett Eldredge

Julie Bowen, Carrie Underwood

Kristen Wiig, Ed Westwick, Elle King

Howard Stern, Public Enemy

Bradley Cooper, Esperanza Spalding, Tracy Morgan, Paul Shaffer

Michael J. Fox, Bernie Sanders, Music from Big Grams

Jay-Z, Donald Trump, music from "TIDAL X: 1020"

Bill Murray, Ryan Adams, Misty Copeland

Justin Theroux, Scott Foley, Duran Duran

Nathan Fillion, Jalen Rose, Father John Misty

Taraji P. Henson, Matthew Fox, Byron Bowers

Kirsten Dunst, Nathan Fielder, Purity Ring

Lena Dunham, Darby Stanchfield, Don Henley

Keanu Reeves, Guillermo del Toro, Thomas Rhett

Eric Stonestreet, Rose McIver, Jewel

Cate Blanchett, Chace Crawford, Music from Eagles of Death Metal

LL Cool J, Kate Mara, Music from Andra Day

Don Rickles, Ken Jeong, Kelsea Ballerini

Viola Davis, Michael Pena, Music from Slightly Stoopid

Matt Damon, Dr. Phil McGraw, Priyanka Chopra, FIDLAR

Shonda Rhimes, Dave Salmoni, Jill Scott

Don Johnson, James Taylor

Kerry Washington, Lea Michele, Travis Scott

Bill O'Reilly, Kermit the Frog, Miss Piggy, Robin Thicke

David Spade, Russell Westbrook, Music from A$AP Rocky

Tobey Maguire, Dale Earnhardt Jr., Music from Kip Moore

John Stamos, Jake Tapper, Music from Cold War Kids

Sofia Vergara, David Muir, Music from Kacey Musgraves

Mindy Kaling, Ricky Martin

Johnny Depp, Kathryn Hahn, MuteMath

Josh Brolin, Susan Sarandon, Darius Rucker

Emily Blunt, U.S. Air Force Airman First Class Spencer Stone, Rita Ora featuring Chris Brown

Andrew Garfield, Liz Gilles, Faith No More

Amanda Peet, Bobcat Goldthwait, Chris Young

Salma Hayek, Rami Malek, Atlas Genius

Roseanne Barr, Demi Lovato

Pierce Brosnan, Alycia Debnam-Carey, Lamb of God

Miley Cyrus, Ali Wentworth, Andy Grammer

Seth MacFarlane, Brian Grazer, Halsey

Bob Odenkirk, Patricia Clarkson, Tobias Jesso Jr.

Michelle Obama, Topher Grace, Lily Tomlin, The Struts

Queen Latifah, John McEnroe, Mumford & Sons

Johnny Knoxville, Steph Curry, Kelly Clarkson

Halle Berry, Josh Groban

Jason Bateman, Nicole Richie

Christina Applegate, Rick Springfield, Tyler the Creator

Armie Hammer, Natasha Leggero, Big Talk

Owen Wilson, Kaitlin Bristowe, Juanes

Colin Farrell, Meghan Trainor

Ed Helms, Brie Larson, Joss Stone

Denis Leary, Alex Morgan

Charlize Theron, Nat Wolff, Tori Kelly

Andy Samberg, Russell Wilson, Butch Walker

Andy Samberg, Liev Schrieber, Ronda Rousey, Vince Staples

Halle Berry, Rob Corddry, Everclear

Emilia Clarke, Vanessa Bayer, Miguel

Jada Pinkett Smith, Jai Courtney, Nate Ruess

Wanda Sykes, Jeffrey Dean Morgan, A Thousand Horses

Jon Hamm, Lizzy Caplan, Jesse Elias, Sheila E.

Andre Iguodala, Chris Tucker, Mark Feuerstein, Robert Delong

Jack Black, Jeffrey Tambor, Fifth Harmony featuring Kid Ink

Bill Hader, Shameik Moore, Philip Selway

Viola Davis, Adam Scott, Wale

Zoe Saldana, Tyler the Creator

Kit Harington, Chris Gethard, Dwight Yoakam

Chris Pratt, Abby Elliott, Fetty Wap

Joseph Gordon-Levitt, Emmanuelle Chriqui, Wiz Khalifa

Allison Janney, Paul Dano, Spelling Bee champions Vanya Shivashankar & Gokul Venkatachalam, Hiatus Kiyote

Jeremy Piven, Adam Carolla, Hozier

Jennifer Connelly, Judd Apatow, Twenty One Pilots

Howie Mandel, Ray Liotta, Zedd

George Clooney, "The Bachelorette" castoff Britt Nilsson

Mariah Carey, Alexandra Daddario

Paul Giamatti, "Science Bob" Pflugfelder

Amy Schumer, Chris "Ludacris" Bridges, Jose Gonzalez

Elizabeth Banks, Marc Maron, Earl Sweatshirt featuring BadBadNotGood

Hailee Steinfeld, Brandon Flowers

Adam Levine, Nicholas Hoult, Maroon 5

Julie Bowen, Adam Devine, Imagine Dragons

Ryan Seacrest, Brittany Snow, Imagine REO SpeedDragons featuring Imagine Dragons and REO Speedwagon

Kim Kardashian West, Michael Sheen, Yelawolf featuring Travis Barker

Billy Crystal, Dave Salmoni, Modest Mouse

Tim McGraw, Patricia Heaton

Kevin Spacey, Ioan Gruffudd, Stromae

Anthony Anderson, Laurence Fishburne, Tracee Ellis Ross, Guillermo Diaz, Earth Wind & Fire featuring Chicago

Dr. Phil McGraw, Manny Pacquiao, Chet Faker

Courteney Cox, Steve Martorano, Alabama Shakes

John Stamos, Michael B. Jordan, Matt & Kim

Jamie Foxx, Betty White, Jamie Foxx featuring Chris Brown and Kid Ink

Tim Allen, Kiernan Shipka, Drew Holcomb and The Neighbors

Cobie Smulders, Aaron Franklin, Chic

Robert Downey, Jr., Chris Hemsworth, Mark Ruffalo, Chris Evans, Scarlett Johansson, Jeremy Renner, the War on Drugs

Jason Statham, Jalen Rose, Brian Wilson

Dwayne Johnson, Rihanna, Death Cab for Cutie

Kurt Russell, Jeff Ross, Van Halen

Vin Diesel, Van Halen

Zooey Deschanel, Guillermo Diaz, Charlie Wilson

Matthew Perry, John Cena, For King & Country

Tom Arnold, Maisie Williams, Saint Motel

Chelsea Clinton, Adam Carolla, Zac Brown Band

Willie Nelson, Colin Hanks, Edward Sharpe and the Magnetic Zeros

Bill Murray, the cast of "The Walking Dead", The Weeknd

Tony Romo, Hannibal Buress, James Bay

Julia Louis-Dreyfus, Robert Rodriguez, Spoon

Kevin Hart, Brad Paisley

Sean Penn, Earth, Wind & Fire

Liam Neeson, Octavia Spencer, AWOLNATION

Jennifer Lopez, Keith Urban, Harry Connick Jr., Ryan Seacrest, Eric Andre

Bette Midler, the next "Bachelorettes", Afghan Whigs

Naomi Watts, Carly Rae Jepsen

Vince Vaughn, Mike Tyson, Drew Holcomb and The Neighbors

Gordon Ramsay, Bridgit Mendler, Beth Stelling

Cate Blanchett, Ryan Phillippe, Joywave

Viola Davis, Richard Madden, Common

Will Smith, Elizabeth Henstridge, Sam Hunt

Will Forte, Bella Thorne, Prince Royce

Kobe Bryant, Chrissy Teigen, Kenny G & Warren G

Kelly Ripa, Joshua Malina, Gorgon City featuring Jennifer Hudson

Neil Patrick Harris, Gillian Jacobs, Rascal Flatts

Kristen Bell, Chris Elliott, Big Sean

Benedict Cumberbatch, Stana Katic, Chris Soules, AloeBlaccstreet featuring Aloe Blacc & Blackstreet

Keira Knightley, Tony Goldwyn, Incubus

David Spade, Randall Park, the Band Perry

Anna Faris, Jeff Van Gundy & Mark Jackson, Annie Lennox

Bill O'Reilly, Kelly Osbourne, Morris Day and the Time with Haim

Magic Johnson, Scott Foley, Magic!

Jeff Bridges, Lauren Cohan

Mila Kunis, Bob Odenkirk, Charli XCX

Rob Gronkowski, Eva Longoria, Weezer, ZZ Top

Kerry Washington, Dave Salmoni, Ne-Yo

David Beckham, Elle Macpherson, Vance Joy

Kevin Costner, Eddie Redmayne, Jamie Cullum

Channing Tatum, J.J. Watt, ZZ Top

Edward Norton, Al Michaels, the Decemberists

Ewan McGregor, Lea Michele, Tess Henley

Eric Stonestreet, Stephen Amell, Logic

Danny DeVito, Abbi Jacobson, Ilana Glazer, Bad Suns

Johnny Depp, Marion Cotillard, Kandace Springs

Kaley Cuoco-Sweeting, Omar Epps, Steel Panther

Jessica Chastain, Patricia Arquette, Childish Gambino

Joaquin Phoenix, Larry Wilmore, Frankie Ballard

Bill Maher, Nick Kroll, the Lone Bellow

Matt LeBlanc, Hayley Atwell, Jamie Oliver

Anne Hathaway, Chris Soules, Heart