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

Will Smith (Suicide Squad (2016)). Also: Usher Raymond performs with The Roots. ...

Will Smith (Suicide Squad (2016)). Also: Usher Raymond performs with The Roots. ...

Matt Damon (Jason Bourne (2016)); David Feherty (Feherty (2011)) discusses covering golf at the Rio Olympics for NBC. Also: Sturgill Simpson performs. ...

Matt Damon (Jason Bourne (2016)); David Feherty (Feherty (2011)) discusses covering golf at the Rio Olympics for NBC. Also: Sturgill Simpson performs. ...

Michael Fassbender (The Light Between Oceans (2016)); Abby Elliott (Odd Mom Out (2015)). Also: Bastille performs. ...

Michael Fassbender (The Light Between Oceans (2016)); Abby Elliott (Odd Mom Out (2015)). Also: Bastille performs. ...

Denis Leary (Sex and Drugs and Rock and Roll (2015), Ice Age: Collision Course (2016)); Shay Mitchell (Pretty Little Liars (2010)). Also: G-Eazy (G-Eazy) performs with To ...

Denis Leary (Sex and Drugs and Rock and Roll (2015), Ice Age: Collision Course (2016)); Shay Mitchell (Pretty Little Liars (2010)). Also: G-Eazy (G-Eazy) performs with To ...

Simon Cowell (America's Got Talent (2006)); YouTube star Lilly Singh (book How to Be a Bawse); Penn Jillette and Teller use a card trick to see if the audience has found ...

Simon Cowell (America's Got Talent (2006)); YouTube star Lilly Singh (book How to Be a Bawse); Penn Jillette and Teller use a card trick to see if the audience has found ...

Alicia Vikander (Jason Bourne (2016)); Céline Dion (album Encore un soir) is interviewed and performs. ...

Alicia Vikander (Jason Bourne (2016)); Céline Dion (album Encore un soir) is interviewed and performs. ...

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. ...

Idris Elba (Star Trek: Beyond (2016)); Heidi Klum (America's Got Talent (2006), Project Runway (2004)). Also: Lukas Graham performs. ...

Idris Elba (Star Trek: Beyond (2016)); Heidi Klum (America's Got Talent (2006), Project Runway (2004)). Also: Lukas Graham performs. ...

Chris Pine (Star Trek: Beyond (2016), Hell or High Water (2016)); Joanna Lumley (Absolutely Fabulous: The Movie (2016)). Also: Troye Sivan performs. ...

Chris Pine (Star Trek: Beyond (2016), Hell or High Water (2016)); Joanna Lumley (Absolutely Fabulous: The Movie (2016)). Also: Troye Sivan performs. ...

Blake Lively (Café Society (2016)); Rachel Maddow (The Rachel Maddow Show (2008)). Also: Good Charlotte performs; Ray Parker Jr. sits in with The Roots. ...

Blake Lively (Café Society (2016)); Rachel Maddow (The Rachel Maddow Show (2008)). Also: Good Charlotte performs; Ray Parker Jr. sits in 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. ...

Kristen Wiig (Ghostbusters (2016)); Rami Malek (Mr. Robot (2015)); Ariana Grande performs a Snapchat duet with Jimmy. Also: Benjamin Clémentine performs. ...

Kristen Wiig (Ghostbusters (2016)); Rami Malek (Mr. Robot (2015)); Ariana Grande performs a Snapchat duet with Jimmy. Also: Benjamin Clémentine 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 ...

Kristen Stewart (Café Society (2016)); Chris Colfer (novel The Land of Stories: An Author's Odyssey, Absolutely Fabulous: The Movie (2016)). Also: Shawn Mendes perform ...

Kristen Stewart (Café Society (2016)); Chris Colfer (novel The Land of Stories: An Author's Odyssey, Absolutely Fabulous: The Movie (2016)). Also: Shawn Mendes perform ...

Jim Parsons (The Big Bang Theory (2007)); NFL Defensive Player of the Year J.J. Watt talks about the release of his Reebok signature sneaker. Also: The Avett Brothers per ...

Jim Parsons (The Big Bang Theory (2007)); NFL Defensive Player of the Year J.J. Watt talks about the release of his Reebok signature sneaker. Also: The Avett Brothers per ...

Will Forte (The Last Man on Earth (2015)); Ashley Benson (Pretty Little Liars (2010)). Also: Joseph performs. ...