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Demi Lovato: I Did 'X Factor' Too Soon After Rehab

While Demi Lovato was the youngest — and sassiest — artist to ever grace the "X Factor" judges panel when Season 2 premiered in September, she was also still in the middle of her post-rehab recovery process. So, while she was definitely the standout mentor of the show's second cycle, she now says she doesn't think she was really ready when she started doing the show.