John Lithgow (Broadway show Stories by Heart); Kelly Clarkson (The Voice (2011)). Also: Kacey Musgraves performs. ...

John Lithgow (Broadway show Stories by Heart); Kelly Clarkson (The Voice (2011)). Also: Kacey Musgraves performs. ...

Harry Connick Jr. (Harry (2016)); Olympic swimmer and 23-time gold medalist Michael Phelps. Also: Zara Larsson performs. ...

Harry Connick Jr. (Harry (2016)); Olympic swimmer and 23-time gold medalist Michael Phelps. Also: Zara Larsson performs. ...

Aaron Paul (BoJack Horseman (2014)); Tig Notaro (One Mississippi (2015), book I'm Just a Person). Also: Florida Georgia Line performs; James Valentine sits in with The Ro ...

Aaron Paul (BoJack Horseman (2014)); Tig Notaro (One Mississippi (2015), book I'm Just a Person). Also: Florida Georgia Line performs; James Valentine sits in with The Ro ...

Robert De Niro (Hands of Stone (2016)); professional golfer Jordan Spieth. Also: Martin Garrix and Bebe Rexha perform with The Roots. ...

Robert De Niro (Hands of Stone (2016)); professional golfer Jordan Spieth. Also: Martin Garrix and Bebe Rexha perform with The Roots. ...

Jonah Hill (War Dogs (2016)); Jaden Smith (The Get Down (2016)). Also: Dua Lipa performs. ...

Jonah Hill (War Dogs (2016)); Jaden Smith (The Get Down (2016)). Also: Dua Lipa performs. ...

Margot Robbie (Suicide Squad (2016)); Nick Cannon (America's Got Talent (2006), Wild 'N Out (2005)); Martha Stewart (cookbook Vegetables) makes grilled zucchini. ...

Margot Robbie (Suicide Squad (2016)); Nick Cannon (America's Got Talent (2006), Wild 'N Out (2005)); Martha Stewart (cookbook Vegetables) makes grilled zucchini. ...

Mila Kunis (Bad Moms (2016)); Mike Birbiglia (Don't Think Twice (2016)). Also: Asap Mob performs with The Roots. ...

Mila Kunis (Bad Moms (2016)); Mike Birbiglia (Don't Think Twice (2016)). Also: Asap Mob performs with The Roots. ...

Michael Strahan (Ice Age: Collision Course (2016), The $100,000 Pyramid (2016)); Parker Posey (Café Society (2016)). Also: Margo Price performs. ...

Michael Strahan (Ice Age: Collision Course (2016), The $100,000 Pyramid (2016)); Parker Posey (Café Society (2016)). Also: Margo Price performs. ...

Melissa McCarthy (Ghostbusters (2016)); Christian Slater (Mr. Robot (2015)). Also: Jennifer Lopez and Lin-Manuel Miranda perform their charity single for the victims of t ...

Melissa McCarthy (Ghostbusters (2016)); Christian Slater (Mr. Robot (2015)). Also: Jennifer Lopez and Lin-Manuel Miranda perform their charity single for the victims of t ...

Ricky Gervais (Special Correspondents (2016)); Tony Hale (Veep (2012)); Brian Regan performs stand-up. ...

Ricky Gervais (Special Correspondents (2016)); Tony Hale (Veep (2012)); Brian Regan performs stand-up. ...

Don Rickles (show Don Rickles and Regis Philbin: A Rickles and Regis Laughfest); Lena Dunham (Suited (2016), Girls (2012)). Also: DJ Shadow performs with Run the Jewels. ...

Don Rickles (show Don Rickles and Regis Philbin: A Rickles and Regis Laughfest); Lena Dunham (Suited (2016), Girls (2012)). Also: DJ Shadow performs with Run the Jewels. ...

President Barack Obama discusses his eight years in office, the ongoing presidential race, the Supreme Court vacancy and his family's preparations for leaving the White H ...

President Barack Obama discusses his eight years in office, the ongoing presidential race, the Supreme Court vacancy and his family's preparations for leaving the White H ...

Mark Ruffalo (Now You See Me 2 (2016)); Paula Patton (Warcraft (2016), The Do-Over (2016)); The Lucas Brothers (Kenneth Lucas and Keith Lucas) perform stand-up. ...

Mark Ruffalo (Now You See Me 2 (2016)); Paula Patton (Warcraft (2016), The Do-Over (2016)); The Lucas Brothers (Kenneth Lucas and Keith Lucas) perform stand-up. ...

Daniel Radcliffe (Now You See Me 2 (2016), Swiss Army Man (2016)); Mel B (Mel B) (America's Got Talent (2006)). Also: Maren Morris performs. ...

Daniel Radcliffe (Now You See Me 2 (2016), Swiss Army Man (2016)); Mel B (Mel B) (America's Got Talent (2006)). Also: Maren Morris performs. ...

Tyler Perry (Teenage Mutant Ninja Turtles: Out of the Shadows (2016)); Dave Franco (Now You See Me 2 (2016)); Harland Williams performs stand-up. ...

Tyler Perry (Teenage Mutant Ninja Turtles: Out of the Shadows (2016)); Dave Franco (Now You See Me 2 (2016)); Harland Williams performs stand-up. ...

Jennifer Lawrence (X-Men: Apocalypse (2016)); George Lopez (Lopez (2016)). Also: Tom Odell performs. ...

Jennifer Lawrence (X-Men: Apocalypse (2016)); George Lopez (Lopez (2016)). Also: Tom Odell performs. ...