Jennifer Lopez and Rihanna have a battle of the booties.
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Gwen Stefani looks happy with pal Pharrell.
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Jared Leto poses with Billy Ray Cyrus, but it’s not his worst red carpet choice at the show.
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That skirt, however, is.
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Rihanna shows off her award — and blue tongue.
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Ashley Greene looks like the prettiest spirograph drawing ever as she ponders her post-“Twilight” career.
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Linda Perry avoids photographers.
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Hilary Duff poses for a selfie with a fan.
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Adam Lambert is cool (and green) as a cucumber.
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The new diva duo: Rihanna is a lifelong fan of Whitney Houston, while Ariana Grande is heavily influenced by Mariah Carey.
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Lil Jon’s tie dye top brightens things up.
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Austin Mahone keeps things casual in a t-shirt.
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Corey Feldman wears sunglasses indoors.
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Pitbull and girl group G.R.L. cruise along.
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Blake Shelton looks deep in thought during his performance, most likely about Adam Levine.
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Shakira shakes it up.
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Ariana Grande takes a page from the Willow Smith book.
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Usher honors the King of Pop.
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Kendrick Lamar delivers an out of this world performance.
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Lord Kraven is on hand to oversee your nightmares.
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Jason Ritter looks dreamy.
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Pitbull gets groomed onstage.
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Avicii celebrates his victory for EDM Song of the Year.
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Jennifer Lopez and Ryan Seacrest honor Rihanna.
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