JT was back on the course yesterday as his charity golf tournament continued in Las Vegas. The competition will stop for a star-studded concert tomorrow, and he tweeted that the countdown has already begun with a lineup including Alicia Keys and Ciara. Justin also took a break to chat about his role in the Facebook movie saying that he's starting to "creep on" some social networking sites as research. Meanwhile, amid rumors of trouble in their relationship, Jessica Biel is forging on with her important projects. She just announced her participation in next year's Live Earth run/walk event, and opened up about how she'd be thrilled to play a vampire in a series like Twilight.
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