Adam Sandler, Christina Tosi, and musical guest Joe Jonas.

Julie Bowen, Travis Rice, and comedian Maria Bamford.

Joel McHale, Cheryl Hines, and comedian Jesse Popp.

Kirsten Dunst, Chris Hardwick, and Mariachi El Bronx will perform.

LL Cool J, Grayson MacLean, and comedian Christian Finnegan.

The lineup featured Jeff Goldblum, Adam Scott, and a musical performance by Childish Gambino.

Nicole Polizzi, Rob Riggle, and musical guest Pegi Young with the Survivors.

Kristen Stewart, alongside Jimmy Pardo and comedian Pete Holmes, gathered together.

Jason Segel, Shaun T, and musical artists Das Racist were scheduled to perform.

Nathan Fillion, Angela Kinsey, and Morrissey will perform.

Claire Danes, Nick Kroll, and comedian Michael Kosta.

Zooey Deschanel, Harland Williams, and comedian Laurie Kilmartin.

Alec Baldwin, Damon Wayans Jr., and Yelawolf, the musical performer, were scheduled to appear.

Sofia Vergara, Paul F. Tompkins, and comedian Tig Notaro.

Michael Moore, Ellie Kemper, and comedian Sean Patton.

Jeremy Piven, Mike Mizanin, and Blink-182 will be performing.

Rob Lowe, Donald Faison, and Noel Gallagher as musical guest.

Bob Costas, Nick Frost, and comedian Nick Vatterott.

Christoph Waltz, alongside Mike Zohn and Evan Michelson, with a performance by Deer Tick.

Dax Shepard, Kunal Nayyar, and Dawes will perform.

Seth MacFarlane, Elle Fanning, and The Klezmatics will perform.

Patton Oswalt, Kevin Lee, and comedian Joe Mande.

Charles Barkley, Marc Maron, and John Pizzarelli, the musical guest, were scheduled to appear.

Thomas Haden Church, Claire Smith, and Glen Campbell as musical guest.

Gary Oldman, Judy Greer, and musical artist Everlast.

Emmy Rossum, Dave Attell, and Chris Isaak will perform.

Johnny Galecki, Mindy Kaling, and comedian Tom Papa.

The lineup featured Seth Green, David Cross, and a performance by Gavin DeGraw.

Chelsea Handler, Billy Eichner, and a musical comedy by Doyle & Debbie.

Actor Jack McBrayer, baseball star Justin Verlander, and comedian Dwayne Perkins.

Ricky Gervais, Wladimir Klitschko, and James Durbin, a musical performer, were scheduled to appear.

Kate Beckinsale, Stephen Merchant, and St. Vincent, the musical artist, were scheduled to appear.

Antonio Banderas, alongside Fred Armisen and a performance by Blake Mills.

The lineup featured Shaun White, Jordan Peele, and musical guest Sammy Adams.

Billy Gardell, Gina Carano, and comedian Owen Smith.

Casey Anderson, Morena Baccarin, and Wilco as musical guests.

Sam Worthington, Julie Nunes, and world champion whipcracker Adam Winrich.

Elizabeth Banks, Timothy Olyphant, and comedian John Mulaney.

Cuba Gooding Jr., Jon Heder, and musical performers They Might Be Giants.

Maya Rudolph, Chris Gethard, and musical guest Dale Earnhardt Jr. Jr.

Simon Helberg and Chris Kyle.

Ringo Starr and Mark Moffett.

John Krasinski, Jenny Slate, and musical artists Evanescence.

Kristen Bell, Bret McKenzie, and comedian John Roy.

Phil McGraw, Keegan-Michael Key, and the Alabama Shakes will perform.

The evening featured performances by Martin Short, Jon Bernthal, and the band Dr Dog.

Carol Burnett, Jon Glaser, and musical guests Graffiti6.

Ice T and Coco, Adam Parry, and Wale featuring Miguel.

Reese Witherspoon, RZA, and a unique presentation of the live-action graphic novel, 'The Intergalactic Nemesis.'

Tom Arnold, Curt Schilling, and comedian Myq Kaplan.

The lineup features Steve Martin, Rebecca Romijn, and musical guests Cake.

Amanda Seyfried, Andy Lewis & the US Pro Team, with a performance by Fun.

Jennifer Aniston, along with Ron and Amy Shirley and comedian Jay Larson, were present.

The evening featured Kevin Nealon, Mike Epps, and a performance by Dhani Harrison.

Artie Lange and Nick DiPaolo, alongside Beth Behrs and a performance by Chiddy Bang.

Betty White, Ken Marino, and musical guest Young Jeezy featuring Ne-Yo.

Khloe Kardashian Odom, Jeb Corliss, and comedian Matt Knudsen.

Megan Mullally, Steven Ho, and musical guest Mona...

Zac Efron, Kirby Bliss Blanton, and Joe Louis Walker, the musician, were scheduled to appear.

Don Cheadle, Elisha Cuthbert, and the band Wzrd.

Ed Helms, Melissa Rauch, and comedian Kumail Nanjiani.

Jon Hamm, Rob Riggle, and comedian Mike Lawrence.

Ewan McGregor, David Mizejewski, and the comedian Dana Gould.

Shaquille O'Neal, Steve Schirripa, and Sharon Van Etten will appear on a special mini-episode of Conan, set within a scaled-down replica of the show's familiar stage.

The evening's lineup featured Will Ferrell, alongside Dr. Sanjay Gupta as a guest, and musical artist Jasmine Van Den Bogaerde.

Kristin Chenoweth, Liam Hemsworth, and comedian Moshe Kasher.

Josh Hutcherson, Simon Pegg, and Macy Gray, lending her musical talents, were scheduled to appear.

Dana Carvey, Mayim Bialik, and Donovan will perform.

Christian Slater, Eliza Coupe, and Galactic will perform.

Neil Patrick Harris, Kate Micucci, and musical guest Yuna.

Mike Tyson, Chris Elliott, and comedian Cy Amundson.

Seann William Scott, Maria Menounos, and the band Heartless Bastards.

Aziz Ansari, alongside Christina Hendricks and the band Good Old War as musical guests.

Cory Monteith, Matt Kemp, and comedian Tim Minchin.

Jason Biggs, along with Phil and Willie Robertson, and featuring a performance by musician M. Ward.

Larry David, Lena Dunham, and musical guest Craig Morgan.

Nicole Richie, Jim Gaffigan, and the Arctic Monkeys will perform.

Kevin Hart, Brittany Snow, and musical artists First Aid Kit.

Patton Oswalt, Gabrielle Union, and comedian Bo Burnham.

Sean Hayes, Paul F. Tompkins, and the band Girls.

Kunal Nayyar, Krysten Ritter, and musical artist Emeli Sande.

Kathy Griffin, Morgan Spurlock, and comedian Erin Foley.

Simon Helberg, Jerry Crowley, and featuring musical guest Haley Reinhart.

Julia Louis-Dreyfus, Brian Posehn, and musical artist Ben Kweller.

Jack Black, Simon Doonan, and musical guest Ingrid Michaelson.

Metta World Peace, Matt Walsh, and The Lumineers will be performing.

Piers Morgan, Ben Falcone, and Ed Sheeran performed as the musical guest.

Joel McHale, Nina Dobrev, and the comedian Reggie Watts.

Tom Selleck, Zosia Mamet, and The Wombats will be performing.

Bill Maher, Gregg Allman, and the comedian Hannibal Buress.

Liam Neeson, Marc Maron, and comedian Brody Stevens.

Wanda Sykes, Brooklyn Decker, and Rufus Wainwright performed as the musical guest.

Tracy Morgan, Bar Refaeli, and comedian Trevor Boris.

Howie Mandel, Alice Eve, and comedian John Ramsey.

Josh Brolin, Alison Brie, and the band White Rabbits will be performing.

David Mizejewski, Aaron Paul, and Neon Trees, performing as musical guests.

Charlize Theron, Curtis Stone, and Bahamas will appear.

Jennifer Love Hewitt, Breckin Meyer, and JD McPherson, the musician, will be performing.

Chris Hemsworth, Malin Akerman, and comedian Jonah Ray.

Chicago welcomes Jack McBrayer, with a performance by musical guest Grace Potter & the Nocturnals.

Chicago – Andy Samberg will be performing, with musical accompaniment from Eric Hutchinson.

Chicago – Johnny Galecki will be appearing, with Kids These Days as the musical guest.

Chicago welcomed Adam Sandler, T.J. Miller, and Triumph the Insult Comic Dog.

Martin Short, Aubrey Plaza, and The Spring Standards as musical guests.

Sharon Osbourne, Ashley Fiolek, and comedian Chad Daniels.

Rob Corddry and Shinedown, the musical act, appeared alongside Mitt Romney's sons.

Seth Meyers will be hosting tonight's show, with Jordana Brewster as a guest, and The Avett Brothers performing.

Mila Kunis, Joel Stein, and comedian Rory Scovel.

Russell Brand, with musical accompaniment from Big K.R.I.T.

Chris Pine, Anthony Mackie, and El-P of Run the Jewels will appear as musical guests.

Mark Wahlberg, Billy Eichner, and musical guest Infantree.

Denis Leary, Steve Byrne, and comedian Cristela Alonzo.

Elijah Wood, Claire Smith, and musical artist Kip Moore.

Bryan Cranston, the acclaimed actor, and Walk the Moon, the popular musical group, will be performing.

Freida Pinto, Chris Hardwick, and comedian Sebastian Maniscalco.

Kevin Nealon, Ashley Benson, and comedian Beth Stelling.

Eric McCormack, Eric Andre, and the musical act The Xx.

Kate Beckinsale, Doug Fine, and the band Tennis.

Ben Stiller, Olivia Munn, and Flo Rida, performing as the musical guest.

Colin Farrell, Angie Harmon, and thenewno2, a musical act, were scheduled to appear.

Jeff Daniels, Chantal Sutherland, and The Fray as musical guests.

Jon Cryer, Moon Bloodgood, and musical artist Jason Mraz will appear.

The evening featured Will Ferrell, with the comedic duo Tenacious D as the musical guest.

Eric Stonestreet, Dominic Monaghan, and musical artist Norah Jones.

Lisa Kudrow, Vince Gilligan, and Grouplove as musical guests.

Steve Carell, Ronda Rousey, and Ziggy Marley, the musical performer, were scheduled to appear.

Matt LeBlanc, Travis Pastrana, and comedian Andy Haynes.

Dax Shepard, Wendy Williams, and Silversun Pickup as musical guests.

Isla Fisher, Dean Norris, and musical artist Andrew W.K. will appear.

Kristen Bell, Rebel Wilson, and musical performers Owl City and Carly Rae Jepsen.

Kyra Sedgwick, Mike Birbiglia, and comedian Dominic Dierkes.

David Mizejewski, Kunal Nayyar, and comedian Todd Barry.

Lauren Graham, Rob Delaney, and musical guests Best Coast.

Seth Green, alongside Mary Lynne Rajskub and special guest musician Milo Greene.

Kelsey Grammer, NeNe Leakes, and The Head and the Heart will perform.

Eva Longoria, James Marsden, and comedian Roy Wood Jr.

Bob Costas, Lake Bell, and The Hives, the musical act, were scheduled to appear.

Steven Ho, James Van Der Beek, and The Walkmen, performing music.

Simon Cowell, Demi Lovato, and musical guest Nancy & Beth.

Chris Colfer, Adam Scott, and comedian Nikki Glaser.

Simon Helberg, Anna Kendrick, and musical artists Delta Rae.

Ricky Gervais, Tig Notaro, and Frank Turner, the musical performer, were scheduled to appear.

Elizabeth Banks, Jordan Peele, and musical guests Animal Collective.

Nathan Fillion, Bill Burr, and Band of Horses will perform.

Joseph Gordon-Levitt, Emily Deschanel, and comedian Jamie Lee...

Jake Gyllenhaal, Karen Gillan, and The Chevins, a musical act, are scheduled to appear.

Rashida Jones, Adam DeVine, and The Shins performing.

Timothy Olyphant, Ashley Greene, and comedian Hari Kondabolu.

Jennifer Garner, Terry Crews, and Tegan & Sara, the musical performers, were scheduled to appear.

Jenny McCarthy, J.J. Abrams, and musical guest Slash featuring Myles Kennedy & The Conspirators.

Patton Oswalt, Cheryl Hines, and musical artist Michael Kiwanuka.

Kevin Nealon, Steven Yeun, and Ty Segall, performing music.

Anthony Anderson, Alex Wagner, and musical guest Ellie Goulding.

Jeff Goldblum, Maggie Q, and comedian Sean O'Connor.

The evening featured Aziz Ansari, Chuck Lorre, and a performance by Kendrick Lamar.

Will Arnett, Erin Burnett, and musical guest Harry Shearer.

Rainn Wilson, Elisha Cuthbert, and Two Door Cinema Club as musical guests.

Simon Baker, Kaitlin Olson, and comedian Reggie Watts.

Krysten Ritter, Blake Griffin, and Bob Mould, performing as a musical guest.

Katey Sagal, Hunter Pence, and the exceptionally skilled pumpkin carver, Tom Nardone.

Chelsea Handler, alongside Nat Faxon and a performance by NeedToBreathe, were scheduled to appear.

John C. Reilly, Casey Wilson, and musical guest Cory Chisel and The Wandering Sons.