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+ The wait is over -- Britney Spears' "Till The World Ends" video is here. (Idolator)
+ To promote their upcoming album Wasting Light, VH1 will air a documentary about the ups and downs of the Foo Fighters career this Friday, April 8, at 10 p.m. Even better: Stream the full album now. (Rolling Stone)
+ Katy Perry opens up about her favorite songs on Teenage Dream. "I feel really happy that I took that time to not write about DJs and fame, the materialistic world... I know people connect to more substantial [lyrics]." (MTV News)
+ A very pregnant Mariah Carey poses nude on the cover of Life & Style magazine. No belly paint for this photo shoot, though. (PopEater)
+ This can't be good -- Miley Cyrus and Charlie Sheen are tweeting at each other. (TheFABlife)
+ Jared Leto paid tribute to Kurt Cobain on the anniversary of the singer's death yesterday. Jared recorded a video of Nirvana's "Pennyroyal Tea" and... wow. You just have to watch it. (Buzznet)