Demi Lovato on Philip Seymour Hoffman and Being a Former Addict

“Extra’s” Mario Lopez sat down with Demi Lovato, as she prepares to launch her Neon Lights tour, to talk about her former struggles with addiction in the wake of the death of Philip Seymour Hoffman. Demi also opened up about her friendship with Selena Gomez, and whether or not she's engaged to boyfriend Wilmer Valderrama.

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