Here’s what went down.
Pink and Kelly Clarkson performed together for the first time ever...
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...and finished it off with a sing-hug.
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Selena Gomez debuted her new bleach blonde hair...
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...and later performed her song "Wolves" on top of a car.
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Christina Aguilera performed a tribute to Whitney Houston in honor of The Bodyguard's 20th anniversary.
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Pink bopped along to Christina's singing.
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Lilly Singh and Rachel Platten hugged it out during the tribute...
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...and Chrissy Metz sang along.
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Jamie Foxx began the show with an impassioned plea.
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Lady Gaga's new hair bounced.
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Demi Lovato remained stone-faced as the camera panned to her a little too early...
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...then faced her mean tweets...
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...and did a rousing rendition of "Sorry Not Sorry."
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Heidi Klum made a face at the camera.
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Ansel Elgort snapped along.
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Nick Jonas had seemingly magical powers during his performance.
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Jesse Tyler Ferguson and Justin Mikita danced along.
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Imagine Dragons shouted out powerful women in their acceptance speech.
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Nicole Kidman laughed.
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The cast of Riverdale graced the AMAs stage.
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Bruno Mars won Artist of the Year.
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BTS performed and their fans freaked out.
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The Stranger Things kids made an appearance.
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Taylor Swift dropped in to congratulate Diana Ross via prerecorded video.
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Diana Ross performed a medley of hits for her Lifetime Achievement Award...
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...and her grandchildren joined her on stage.
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And Pink performed on the side of a hotel.
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