Last year, Ashton Kutcher beat CNN to a million followers on Twitter, proclaiming himself the King of All Social Media. Okay, the first part is true anyway? Since then, he’s enjoyed his perch as the undisputed leader in total fans on the micro-blogging site …

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Britney Spears Ousts Ashton Kutcher as Twitter King

Demi Lovato is coming to Grey’s Anatomy in an upcoming episode of the hit show. She confirmed the news on her Twitter, and we’ve learned that she’s totally replacing Katherine Heigl! Okay, not really, but she is filming one scene with Alex.

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Demi Lovato to Guest Star on Grey’s Anatomy

Katherine Heigl is leaving Grey’s Anatomy . That you already know, or at least probably suspected. But now the star has officially confirmed the news herself.

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Katherine Heigl on Grey’s Anatomy Exit: Sorry