Buzz Bites (5/13/11): Willow Smith Premieres Snippet Of New Song, 'Rock Star'

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+ New Willow Smith! The mini pop star debuted a snippet of her new song "Rock Star" on YouTube, and it's already stuck in our heads. (Celebuzz)

+ Buzzworthy babes Nicki Minaj, Miley Cyrus, Britney Spears, Rihanna, Katy Perry, Taylor Swift, and more were named on Maxim magazine's "Hot 100" list. We concede on all accounts. (Idolator)

+ Beyoncé's video for "Run The World (Girls)" is not premiering today as originally reported. No new release date has been announced as the singer takes her time "perfecting" the clip. (Neon Limelight)

+ Lady Gaga's "The Edge Of Glory" wasn't written for an after-school special after all. The track was actually inspired by Gaga's late grandfather. (MTV News)

+ One more reason why we love Ke$ha (and Conan O'Brien): The singer shot the talk show host with her glitter gun (not a euphemism) and didn't feel at all bad about it. (PopEater)

+ Although she could never be replaced, our friends at Buzznet explore why Hayley Williams might be the next Gwen Stefani. (Buzznet)