Justin Bieber got soaked with rain and did the robot.
Jennifer Lopez danced and danced and danced... and then danced some more.
Gwen Stefani nearly cried. Selena Gomez showed off her body. And Meghan Trainor got to first base, for millions of people to see.
Indeed, A LOT went down at the 2015 American Music Awards - and we've captured nearly the entire event below, from J. Lo's moving to One Direction thanking to Nicki Minaj shade-throwing...
Class is in Session!
Jennifer Lopez put on a master dance class to open the American Music Awards. She was the hostess with the mostess!
Doing the Robot
This is how much Justin Bieber loved Jennifer Lopez's opening number: he did the robot in response to it!
Meghan Trainor and Charlie Puth performed at the American Music Awards. They also kissed on stage. BIG TIME!
Demi Lovato and Alanis Morissette teamed up for a duet of "You Oughta Know" at the American Music Awards. Watch the epic performance here!
Demi Lovato has confidence. She snapped her way into our hearts during a rendition of the song "Confident."
Justin Bieber wrapped up the American Music Awards on a handsome, water-filled note. See what we mean here!
We love you, Selena Gomez! Watch the singer totally kill her performance of "Same Old Love" at the 2015 American Music Awards.
Yes, Ariana Grande kissed her grandmother upon winning an award. We officially now forgive her for licking that donut.
Celine Dion pays tribute here to the victims of this month's fatal terrorist attacks in Paris. Watch the moving performance now.
Gwen Stefani grew emotional while performing at the American Music Awards. Try to hold back your own tears as you watch her in action.
Oh, yes, Pentatonix definitely had THE FORCE with them during their Star Wars-themed performance.
Jennifer Lopez paid tribute to Nicki Minaj at last night's American Music Awards. Judging from the look on her face, Nicki was not amused.
They did it again! One Direction won Artist of the Year at the American Music Awards and you can check out their acceptance speech here.