Big Names in Music Make Appearances at American Music Awards

Relive the most memorable moments and social media buzz of the exciting awards show.
2:50 | 11/24/14

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Transcript for Big Names in Music Make Appearances at American Music Awards
Oh, let it go. It's all right. ? Let it go ? Let's talk about music. The American music awards. The biggest names in music rocking out in L.A. Last night. It was the women that ruled the evening. Of course. Reporter: Watz night of music magic kicked off by none other than tail ir swift, showing us just how crazy talented she really is. ? They'll tell you I'm insane ? ? because you know I love the players and you love the game ? Reporter: Performing her brand-new hit, blank space, for the first time on live TV. Welcome to the 2014 American music awards. Reporter: And it didn't slow do wn from there. Pitbull be, the host, bringing the audience to their feet. ? Don't stop the party ? Reporter: One of the many epic performances of the night. Like jessiej.'s entrance. Before joining to perform the crowd favorite. ? Bang bang there goes your heart ? Reporter: And charlie xcx breaking it down on stage. And Selena Gomez bringing tail ir swift to tears. ? The future that we hold is so unclear ? Reporter: And crooner Sam smith. ? For better or for worse ? Reporter: Winning big for the award for favorite pop rock male artist. But it was iggy azalea who stole the show. Showing us her fancy side. ? I'm so fancy you already know ? Reporter: And later pulling double booty duty performing this steamy single with J. Lo. ? Because if you love a big booty ? One direction. Reporter: And one direction winning one of the biggest honors of the night. Artist of the year. Thank you. Oh! Reporter: A seemingly endless round of applause for legend Diana Ross. Presenting the first ever dick Clark award for excellence. And we've fallen in love with her. Reporter: And it went to a legend in the making. I'm so unbelievably happy that you want to have a glimpse into my life. Thank you so much. Such great night. Favorite moment? Tncht ovation that Diana Ross received. And Garth brooks, live. It was fantastic. "People loving people." How about you? Mine was the double booty duty, for sure. No question. Listen, I said it. You were thinking it. We're happy about that.

This transcript has been automatically generated and may not be 100% accurate.

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