
Chris Pratt hosts with musical guest Ariana Grande.

Sarah Silverman hosts with musical guest Maroon 5.

Host Bill Hader; Hozier performs.

Jim Carrey hosts with musical guest Iggy Azalea.

Chris Rock hosts with musical guest Prince.

Woody Harrelson hosts with musical guest Kendrick Lamar.

Cameron Diaz hosts with musical guests Bruno Mars & Mark Ronson.

James Franco hosts with musical guest Nicki Minaj.

Martin Freeman hosts with musical guest Charli XCX.

Host Amy Adams; One Direction Performs.

Kevin Hart hosts with musical gues Sia.

Blake Shelton hosts and performs.

J.K. Simmons hosts with musical guest D'Angelo.

Dakota Johnson hosts with musical guest Alabama Shakes.

Chris Hemsworth hosts with musical guest Zac Brown Band.

Dwayne Johnson hosts with musical guest George Ezra.

Michael Keaton hosts and Carly Rae Jepsen performs.

Taraji P. Henson hosts and Mumford & Sons perform.

Host Scarlett Johansson; Performances by Wiz Khalifa, ft. Charlie Puth

Reese Witherspoon hosts with musical guest Florence + the Machine.

Host Louis C.K.; Rihanna performs.