Actor Arnold Schwarzenegger; Jason Isbell and The 400 Unit perform.

Comic Kathy Griffin; comic Luenell; Glen Hansard performs.

Comic Wanda Sykes; former White House aide Cassidy Hutchinson; LANY performs.

Actor Dax Shepard; political activist Nicole Avant; BoyWithUke performs.

Actress Amy Poehler; comic Bert Kreischer; Wilco performs.

Singer-songwriters Billie Eilish and Finneas; comic Whitney Cummings; Grace Potter performs.

Actor Sean Penn; comic Nicole Byer; Megan Moroney performs.

Actor Josh Duhamel; Golden Bachelor Gerry Turner; Måneskin performs.

Singer-songwriter Christina Aguilera; sports commentator Al Michaels; Lil Yachty performs.

Actor Simu Liu; Myke Towers performs.

Filmmaker Martin Scorsese; comic Mike Epps; Chelsea Cutler performs.

Rapper Snoop Dogg; comic Ms. Pat; October London performs.

Pro Football Hall of Famers Terry Bradshaw and Howie Long; comic Ronny Chieng; the Brothers Osborne perform.

Olivia Rodrigo talks and performs; actor Eric André.

Actors Meg Ryan and David Duchovny; musician Joe Walsh.

Actress Tiffany Haddish; comic Jeff Ross; Tate McRae performs.

Rapper Sean "Diddy" Combs; comic Pete Holmes; Jessie Murph and Jelly Roll perform.

Actress Marisa Tomei; filmmaker John Wilson; Madison Beer performs.

Actress Octavia Spencer; comic Mike Birbiglia; Devon Gilfillian performs.

Singer Mariah Carey; comic Alex Edelman; Allison Russell performs.

Former professional basketball player Magic Johnson; chef José Andrés; Jordan Davis performs.

People Magazine's "Sexiest Man Alive"; Pod Save America; Saint Harison performs.

Luke Grimes; Blake Shelton; singer Jelly Roll.

Race car driver Daniel Ricciardo; comic Howie Mandel; Lauren Daigle performs.

Actors Paul Dano, Nick Offerman and Seth Rogen; 2 Chainz and Lil Wayne perform.

Actors Kurt Russell and Wyatt Russell; actor Juno Temple; d4vd performs.

Actor Julianne Moore; Glenn Howerton; The Hives perform.

Actors Emma Stone and Nathan Fielder; actor Paul Mescal; Laufey performs.

Actor Adam Sandler; actor Henry Winkler.

Actor Will Arnett; actor Lamorne Morris; Alec Benjamin performs; actress Melissa McCarthy.

Actor Jeremy Allen White; sports commentator Michael Irvin; Jimmy Fallon and Meghan Trainor perform.

Actor Jon Hamm; actress Carrie Coon; Dogstar performs.

Actor Eddie Murphy; actress Teyana Taylor; Mitch Rowland performs.

Comic Sarah Silverman; chef Molly Baz; Dwight Yoakam performs.

Actor Ray Romano; comic Sebastian Maniscalco; Paul Russell performs.

Comic Bill Burr; actress Lily Gladstone; Joshua Ray Walker performs.

Actor Mahershala Ali; actress Greta Lee; Grupo Frontera performs.

Musician Adam Levine; actress Halle Bailey; Atarashii Gakko! performs.

Actor George Clooney; actor Kumail Nanjiani; Lenny Kravitz performs.

Actor Keegan-Michael Key; actor Charles Melton; Lainey Wilson performs.

Actress Carey Mulligan; actor Alan Ritchson; Sleater-Kinney performs.

Actor Zac Efron; actor Jason Mantzoukas; Queens of the Stone Age perform.

Actress Kaley Cuoco; actor Jake Johnson; Annie Bosko performs.

Actress Jodie Foster; actor Jeffrey Wright; Duff McKagan performs.

Actor Robert Downey Jr.; actress Ayo Edebiri; Fridayy performs.

Actress Natalie Portman; comic Chris Distefano; Turnpike Troubadours perform.

TV host John Oliver; actress Danielle Brooks; Pete Yorn performs.

Actor Rob Lowe; actor Ike Barinholtz; Kali Uchis performs.

TV personality Chrissy Teigen; restaurateur David Chang; Sierra Ferrell performs.

Actors Kate Hudson and Oliver Hudson; Joey Graziadei ("The Bachelor"); Charley Crockett performs.

Actor Jason Momoa; actress Lisa Ann Walter; Alkaline Trio performs.

Actor Snoop Dogg; comic Tom Segura; Mammoth WVH performs.

Actor Milo Ventimiglia; actress Da'Vine Joy Randolph; Vacations perform.

Actress Elisabeth Moss; actor Zach Woods; Jacob Collier performs.

Actor Samuel L. Jackson; journalist Jake Tapper; Train and REO Speedwagon perform.

Actors Timothée Chalamet, Zendaya, Austin Butler and Florence Pugh ("Dune: Part Two"); Benson Boone performs.

Actress Brie Larson; actress Beanie Feldstein; Jason Derulo and Michael Bublé perform.

Actor Ewan McGregor; film producer Clara McGregor; actress Gina Rodriguez; Ziggy Marley performs.

Actress Quinta Brunson; actor Nikolaj Coster-Waldau; Drew Holcomb and The Neighbors perform.

Singer Dua Lipa; actor Leo Woodall; Sum 41 performs.

Singer Katy Perry; Charles Wesley Godwin performs.

Actress America Ferrera; sports commentator Kenny Smith; Kygo and Ava Max perform.

Singer Gwen Stefani; comic Fortune Feimster.

Singer Lionel Richie; actress Sandra Hüller; SHAED performs.

Actor Paul Giamatti; actress Jenny Slate; Lukas Nelson & Promise of the Real perform.

Actor Jeff Goldblum; actor Tyler James Williams; The Beaches perform.

Actors Cillian Murphy, Emily Blunt and Robert Downey Jr. ("Oppenheimer"); comic Rory Scovel.

Actress Selena Gomez; actor Ebon Moss-Bachrach.

Actor David Spade; actor Matty Matheson; Jenny Lewis performs.

Actress Jennifer Hudson; comic David Cross; dhruv performs.

Actor Theo James; actor Bob Odenkirk; Sheryl Crow performs.

Actor Eugene Levy; actress Anna Sawai; The Kid LAROI performs.

Actor Dwayne Johnson; Justin Timberlake performs.

Actress Nathalie Emmanuel; Warren Zeiders performs.

Actor Michael Keaton; comic Ramy Youssef; Briston Maroney performs.

Media personality Oprah Winfrey; Chromeo performs.

Actress Christina Applegate; singer-songwriter Huey Lewis; the cast of "The Heart of Rock and Roll" performs.

Rapper Dr. Dre; rapper Snoop Dogg; rapper Curtis "50 Cent" Jackson.

Comic Jerrod Carmichael; actress Janelle James; Chicano Batman performs.

Actress Regina King; actor William Shatner; Dasha performs.

Actor Billy Crystal; actor J.B. Smoove; SiR performs.

Comic James Corden; actress Kim Fields; The Defiant perform.

Actress Cailee Spaeny; actor Dax Shepard; Kim Gordon performs.

Actress Kirsten Dunst; actor Andrew Scott; Conan Gray performs.

Actor Henry Cavill; actor Mike Epps; Tori Kelly performs.

Actor Freddie Highmore; actress Sherri Shepherd; Madi Diaz and Lennon Stella perform.

Singer-songwriter Jon Bon Jovi; actor Henry Hall; Mk.gee performs.

Actor Tom Hiddleston; actress Joey King; Phosphorescent performs.

TV host Seth Meyers; actress Riley Keough; Black Pumas perform.

Actor Nick Offerman; musician Jack Antonoff; Bleachers perform.

Actor Rob McElhenney; Chris Stapleton talks and performs.

Actress Zendaya; actors Freddie Miller and Uriel Valenzuela ("High Hopes"); Olivia Dean performs.

Actress Kim Kardashian; actor Ramón Rodríguez; Real Estate performs.

Actress Wanda Sykes; comic Gabriel Iglesias; Ernest performs.

Actress Carol Burnett; actor Nicholas Galitzine; Christian Nodal performs.

Actress Emily Blunt; actor Owen Teague; Carín León and Leon Bridges perform.

Comic Jerry Seinfeld; actress Melissa Benoist; Rhiannon Giddens performs.

Actor Ryan Gosling; comic Jeff Ross.

Comic John Mulaney; Gary Clark Jr. performs with guest Stevie Wonder.

Singer Luke Bryan; comic Mike Birbiglia; Incubus performs.

Actor Josh Brolin; comic Nikki Glaser; Sarah McLachlan performs.

Former professional footballer David Beckham; actor Chris Perfetti; Cage The Elephant performs.

Actor Chris Pine; comic Bert Kreischer; Andra Day performs.

Actor Kevin Costner; actress Pamela Adlon; Hardy performs; Slash sits in with Cleto and the Cletones.

Actress Amy Poehler; comic Patton Oswalt; Slash sits in with Cleto and the Cletones.

Actor Ke Huy Quan; actor Bobby Cannavale; Niki performs.

Sofía Vergara and Manolo Gonzalez Vergara ("Celebrity Family Cook Off"); artist Andres Valencia; St. Vincent performs.

Actress Maya Rudolph; actor Jacob Batalon; Crowded House performs.

Actor Albert Brooks; filmmaker Rob Reiner; actress Ms. Pat; Gaby Moreno performs.

Vice President Kamala Harris; actress Abby Elliott.

Actor Larry David; musician Cyndi Lauper; Feist performs.

Former professional basketball player Magic Johnson; comic Jo Koy; Doechii and JT perform.

Actors Donald Glover and Maya Erskine ("Mr. & Mrs. Smith"); actor Jesse Plemons; Bruhat Soma, 96th Scripps National Spelling Bee champion.

Actress Tiffany Haddish; actress Carrie-Anne Moss; Tinashe performs.

Actor Sean Penn; actress June Squibb; The Avett Brothers perform.

Actress Lupita Nyong'o; professional basketball player Draymond Green; Lucky Daye performs.

Actor Austin Butler; actor Lionel Boyce; Madison Beer performs.

Actor Norman Reedus; comic Hannah Einbinder; Wallows performs.

Actress Dakota Johnson; actor Jack Quaid; Maya Hawke performs.

Actor Zac Efron; Rep. Jasmine Crockett (D-Texas); Gracie Abrams performs.

Martin Short guest hosts; actor Steve Martin; actress Sienna Miller; Imagine Dragons perform.

Martin Short guest hosts; actress Jane Lynch; Jelly Roll talks and performs.

Martin Short guest hosts; actress Selena Gomez; Beck talks and performs.

Martin Short guest hosts; actress Melissa McCarthy; actor Nick Kroll; The Warning performs.

Kathryn Hahn guest hosts; actor Adam Scott; actress Mia Goth; Faye Webster performs.

Kathryn Hahn guest hosts; former football player Peyton Manning; actress Emma Roberts; The War and Treaty perform.

Kathryn Hahn guest hosts; actor Seth Rogen; actor Joe Locke; Cigarettes After Sex perform.

Kumail Nanjiani guest hosts; Mon Laferte performs.

Anthony Anderson guest hosts; actress Gina Rodriguez; actress Meagan Good; Pepe Aguilar performs.

Anthony Anderson guest hosts; actress Lisa Kudrow; actor Sam Richardson; Role Model performs.

Anthony Anderson guest hosts; TV personality Howie Mandel; comic Roy Wood Jr.; The Decemberists perform.

Anthony Anderson guest hosts; actor Ken Jeong; chef Kevin Bludso; Remi Wolf performs.