Josh Brolin, Jay Thomas, Darlene Love

Rosie O'Donnell, Jeff Altman

Tom Brokaw, Willie Nelson & Billy Joe Shaver

Anna Kendrick, Charli XCX

Emma Stone, a Top Ten List presented by Heisman Trophy winner Marcus Mariota, Bob Seger

Jamie Foxx, Robert Klein, Dan Penn

Chris Rock, Sting

Meryl Streep, Rebel Wilson, J. Cole

Ben Stiller, Olivia Munn, LaLa Brooks

Joaquin Phoenix, Cristela Alonzo, Al Green

Jake Gyllenhaal, Dr. John P. Holdren, Nico & Vinz

Emily Blunt, Adam Resnick, Wu-Tang Clan

Seth Rogen, Amy Sedaris

James Corden, Norman Lear, TV on the Radio

Edward Norton, Jessye Norman

Regis Philbin, Hundred Waters

Stupid Pet Tricks, Charlie Day, Hiss Golden Messenger

Jason Sudeikis, Allison Janney, Damien Rice

Kristin Chenoweth, Jeff Dunham, Chris Young

Jon Stewart, Shawn Mendes

Jennifer Lawrence, Boris Johnson

Steve Carell, OK Go

Katie Holmes, Alex Zanardi, Jessica Hernandez

Amy Schumer, Jeff Caldwell, Theophilus London

Whoopi Goldberg, Jimmy Page, Mapei

Jennifer Lopez, Rob Riggle, Kimbra

Martin Short, Father John Misty

Keith Olbermann, Brian Regan, Run the Jewels

Brian Williams, Perfume Genius

Jim Carrey, David Tennant

Taylor Swift, Tom Mison

Amy Poehler, Sen. Jeff Flake, Sen. Martin Heinrich, Mastodon, Jerry Lee Lewis

Jessica Chastain, Lenny Marcus, Foo Fighters

Tom Selleck, Jenny Slate, Foo Fighters

Bill Murray, Foo Fighters

Michael Keaton, a Top Ten List presented by Gov. Andrew Cuomo, Foo Fighters

Russell Brand, Dave Grohl, Foo Fighters

Chelsea Handler, Keegan-Michael Key & Jordan Peele, Angaleena Presley

Robert Duvall, Elle Fanning, Rival Sons

Anderson Cooper, Gina Rodriguez, Hatsune Miku

Robert Downey Jr., Sarah Paulson, Lizzo, Nils Lofgren

Aziz Ansari, Tom Dreesen, Jackson Browne

Mariska Hargitay, Simon Amstell, Kandace Springs

Johnny Galecki, Andre Benjamin, Delta Spirit

Bill O'Reilly, Cristin Milioti

John Oliver, Maggie Q, Bleachers

Neil Patrick Harris, Aretha Franklin

Stupid Human Tricks, Ted Danson, Andrew Norelli

Jerry Seinfeld, a performance from Cirque du Soleil's "Michael Jackson One"

Kelly Ripa, Jim Gaffigan, Paloma Faith

Denzel Washington, Lenny Kravitz

Mark Harmon, Jack Hanna

Mindy Kaling, Jake Johannsen, Maddie & Tae

Jason Bateman, Billy Eichner, Ryan Adams

Dr. Phil McGraw, Katharine McPhee, Death From Above 1979

Michael Strahan, a Top Ten List presented by 2014 U.S. Open Men's champion Marin Cilic, Richard Branson, Interpol

Bill Maher, Henrik Lundqvist, Spoon

Tina Fey, Moody McCarthy, Kevin Drew

Steve Buscemi, Will Power, Alt-J

Kristen Wiig, Sen. Elizabeth Warren, the New Pornographers

Luke Wilson, Julie Chen, Lee Brice

Mike Myers, Bonnie McFarlane, John Fullbright

James McAvoy, Chris "Mad Dog" Russo, the Last Internationale

Howie Mandel, Rachel Maddow, EMA

Michael Cera, dock diving dogs, Lyle Lovett

Serena Williams, Chadwick Boseman, Echo & the Bunnymen

Kathy Griffin, Ken Burns, Jeremy Messersmith

Joseph Gordon-Levitt, Novak Djokovic, Robby Johnson

Bruce Willis, the Gaslight Anthem

Julia Louis-Dreyfus, Michael Somerville, David Gray

Zoe Saldana, Jay Carney, Crash

Chris Pratt, Judy Greer, Rodrigo y Gabriela

John C. Reilly, Rachelle Lefevre, Conor Oberst

Former Staff Sgt. Ryan M. Pitts, Sharon Van Etten

Eric Stonestreet, Summer Toy Demo with Shannon Eis, Brody Dalle

Ricky Gervais, Taylor Schilling, Eli Young Band

Jeff Daniels, Norah O'Donnell, a performance of "MacArthur Park" featuring Jimmy Webb

Colin Firth, Tommy Johnagin, St. Vincent

Emma Stone, Nathan Fielder, American Authors

Jason Segel, Liv Tyler, Trampled By Turtles

Kurt Russell, Hannibal Buress, Sturgill Simpson

Michael Douglas, Paul Morrissey, Kiesza

Clint Dempsey, Poppy Montgomery, Sleeper Agent

Joan Rivers, Keith Olbermann, Capital Cities

Halle Berry, Steve Young, the War on Drugs

Mark Ruffalo, Former Marine Lance Cpl. William "Kyle" Carpenter

Mark Wahlberg, Ben Falcone, Hurray for the Riff Raff

Melissa McCarthy, Tim Duncan, a Top Ten List presented by Rachelle Lefevre, Phish

Adam Levine, Gen. Frank J. Grass, Broken Bells

Paul Rudd, Jeff Altman, John Doe

Dana Carvey, Ellie Kemper, Sam Smith

Olivia Wilde, Shep Gordon, Empires

Susan Sarandon, Whitney Cummings, Angel Olsen, David Sanborn

Regis Philbin, First Aid Kit

Christopher Walken, a Top Ten List presented by Miss USA Nia Sanchez, Tatiana Maslany, Janelle Monae

Dave Chappelle, Laura Prepon, the Orwells

Kelsey Grammer, Bill Scheft, Willie Nelson

Hugh Jackman, Joe List, Lana Del Rey

Anderson Cooper, Victor Espinoza, the Afghan Whigs

Martin Short, John Oliver, Spanish Gold

Donald Trump, Indianapolis 500 winner Ryan Hunter-Reay, Elizabeth Cook

Sgt. Kyle J. White, Judy Greer, Dierks Bentley

Kid scientists, Sarah Silverman, We Are Scientists

Jack Hanna, Stephen Malkmus & the Jicks

Lea Michele, Andy Kindler, Chromeo

Adam Sandler, Thomas Haden Church, Nightmare and the Cat

Barbara Walters, Elle Fanning, Randy Houser

Jim Parsons, Julie Chen, Hozier

Harry Connick Jr., Jesse Eisenberg, the Black Keys

Nathan Fillion, Tom Dreesen, Hunter Hayes

James Franco, Idina Menzel, a performance by the Broadway cast of "If/Then"

Mariah Carey, Rick Harrison, the Whigs

Jon Cryer, Elizabeth Olsen, Foster the People

Shailene Woodley, Peyton Manning

Don Rickles, Carmen Lynch, the Ghost of a Saber Tooth Tiger

Louis C.K., Amy Sedaris, a performance by the Broadway cast of "Rocky"

Kiefer Sutherland, Adam Resnick, Benjamin Booker

Stupid Pet Tricks, Lucy Liu, Ziggy Marley

Joel McHale, Vera Farmiga, Aloe Blacc

Piedmont Bird Callers, Michael J. Fox, Naughty Boy featuring Sam Smith

Neil Patrick Harris, Sarah Hyland, Ray LaMontagne

Sally Field, Timothy Simons, Needtobreathe

Stephen Colbert, Robin Roberts, Kelis, Sam Moore

Courteney Cox, Jimmie "J.J." Walker, Christina Perri

Lindsay Lohan, Jamie Edwards, Real Estate

Rob Lowe, Brooklyn Decker, London Grammar

Billy Crystal, Tony Hale, Liv Warfield

Johnny Depp, Joseph Arthur

Lady Gaga, Martha Stewart

Kristin Chenoweth, Amy Schumer, Johnnyswim, Leo Nocentelli

Cobie Smulders, Nick Cannon, Manchester Orchestra

Peter Dinklage, Hari Kondabolu, Sage the Gemini

Emma Watson, Nick Offerman, the Strypes

Jimmy Carter, Josh Charles, the Hold Steady

Bill O'Reilly, Nick Griffin, the Dough Rollers

Bryan Cranston, Melissa Rauch, Le1f

Sylvester Stallone, Theo James, Ledisi

Jason Bateman, Gary Allan

Sen. John McCain, Little Mix

Lenny Marcus, Joan Jett & the Blackhearts

Tom Brokaw, Andrew Hadlock, Bob Mould

Tom Selleck, Carrie Brownstein, David Nail

Michael Keaton, Phantogram

Zach Braff, Sgt. Brendan Marrocco & Dr. Andrew Lee, Future Islands

Jack Hanna, Jake Johannsen

Stupid Human Tricks, Simon Helberg, Young the Giant

Meredith Vieira, Band of Horses

Ted Ligety, Kat Dennings, Lo-Fang

Kaley Cuoco, Dale Earnhardt Jr., the Fray

Pauley Perrette, Jeff Caldwell, Lake Street Dive

Joss Christensen, Gus Kenworthy, Nick Goepper, Keri Russell, Terry Fator

Kaitlyn Farrington, Lupita Nyong'o, Little Dragon

Sage Kotsenburg, Kate Mara, Cole Swindell

Kevin Spacey, Amber Heard, a Top Ten List presented by the cast of "How I Met Your Mother", Gary Clark Jr.

Jimmy Dunn, Lauryn Hill

Michael Keaton, the Flaming Lips with Sean Lennon

Matt Damon, Lenny Kravitz

George Clooney, Sting

Russell Wilson, Will Arnett, Broken Bells

Bill Murray, Eagulls

Dr. Phil McGraw, Dum Dum Girls

Drew Brees, B.J. Novak, a Top Ten List presented by David Stern, Against Me!

Eric Stonestreet, Nick Goepper, Bastille

Louis C.K., B.J. Ganem, Arctic Monkeys

Kevin Bacon, Pat McGann, Devon Avenue

Rachel Maddow, Spike Jonze, No Age

Martin Scorsese, Allison Williams, Jamie Lynn Spears

Andy Samberg, Michael B. Jordan, Ellie Goulding

Julia Roberts, Glen Hansard

Don Cheadle, Myq Kaplan, Roadkill Ghost Choir

Brian Williams, Rosanne Cash

Kevin Hart, Mo Rocca, the Orwells

Michael Strahan, Jennifer Nettles

Bill Cosby, Sleigh Bells

Mindy Kaling, Jeff Altman, Red Fang

Michael Somerville, Nicole Atkins

Donald Trump, Chelsea Peretti, Foxygen

Julianne Moore, Catfish & the Bottlemen

Ethan Hawke, Allison Williams, Parquet Courts

Kathy Griffin, David Oyelowo, Lera Lynn