Demi Lovato & Joe Jonas Team Up For Secret VS Project in St. Bart's: Photo 3532387, Demi Lovato, Joe Jonas, Wilmer Valderrama Photos

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Demi Lovato & Joe Jonas Team Up For Secret VS Project in St. Bart's: Photo 3532387, Demi Lovato, Joe Jonas, Wilmer Valderrama Photos

Demi Lovato & Joe Jonas Team Up For Secret VS Project in St. Bart's: Photo 3532392, Demi Lovato, Joe Jonas, Wilmer Valderrama Photos

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Demi Lovato & Joe Jonas Team Up For Secret VS Project in St. Bart's: Photo 3532393, Demi Lovato, Joe Jonas, Wilmer Valderrama Photos

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Demi Lovato & Joe Jonas Team Up For Secret VS Project in St. Bart's: Photo 3532393, Demi Lovato, Joe Jonas, Wilmer Valderrama Photos

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Demi Lovato's Exes Joe Jonas and Valderrama Spotted Hanging Out

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Demi Lovato's Exes Joe Jonas & Wilmer Valderrama Step Out for Dinner: Photo 1132724, Joe Jonas, Wilmer Valderrama Pictures