'I want to go completely, 1,000 percent in,' she tells MTV News of her double-duty as host and musical guest.By Jocelyn Vena, with reporting by Tim Kash
Taylor Swift on the set of "Saturday Night Live"
Photo: Matt Harper/ MTV News
Less than a year after Taylor Swift performed on "Saturday Night Live," the 19-year-old superstar is returning to pull double duty as host and musical guest of this week's show. She's no stranger to comedy (remember her rap song with T-Pain at ....
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