The singer shows off her toned tummy at a party thrown by another famous blonde in Los Angeles. Plus: More AMAs action, Matt McConaughey and more

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BEACH BODS

Matt Lauer and Meredith Vieira revel in their bathing-beauty selves during a stop by the The Ellen DeGeneres Show in New York City on Tuesday. While Lauer's abs are the real deal, Vieira got a little help from Photoshop magic. The episode featuring the Today hosts airs Friday.