1
Host Seth MacFarlane; Frank Ocean performs "Thinkin' Bout You" and "Pyramids."
2
Host Joseph Gordon-Levitt; Mumford & Sons perform "I Will Wait" and "Below My Feet".
3
Host Daniel Craig; Muse perform "Madness" and "Panic Station."
4
Host Christina Applegate; Passion Pit performs "Take a Walk" and "Carried Away."
5
Bruno Mars hosts and performs "Locked Out of Heaven" and "Young Girls".
6
Host Louis C.K.; Fun performs "Some Nights" and "Carry On".
7
Host Anne Hathaway; Rihanna performs "Diamonds" and "Stay".
8
Host Jeremy Renner; Maroon 5 perform "One More Night" and "Daylight".
9
Host Jamie Foxx; Ne-Yo performs.
10
Host Martin Short; Paul McCartney performs.
11
Host Jennifer Lawrence; The Lumineers perform.
12
Host Adam Levine; Kendrick Lamar performs.
13
Host and musical guest Justin Bieber.
14
Host Christoph Waltz; Alabama Shakes perform.
15
Host Kevin Hart; Macklemore & Ryan Lewis perform.
16
Host and musical guest Justin Timberlake.
17
Host Melissa McCarthy; Phoenix perform.
18
Host Vince Vaughn; Miguel performs.
19
Host Zach Galifianakis; Of Monsters and Men perform.
20
Host Kristen Wiig; Vampire Weekend perform.
21
Host Ben Affleck; Kanye West performs.