Demi Lovato helps out the Victoria's Secret Angels' campaign in St. Barths

The 23-year-old is one busy lady, going from Jungle Ball tour to balmy beach fashion shoot in 48 hours.

Demi Lovato helps out the Victoria's Secret Angels' campaign in St. Barths

Demi Lovato helps out the Victoria's Secret Angels' campaign in St. Barths

Demi Lovato helps out the Victoria's Secret Angels' campaign in St. Barths

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Demi Lovato helps out the Victoria's Secret Angels' campaign in St. Barths

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Demi Lovato helps out the Victoria's Secret Angels' campaign in St. Barths

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Demi Lovato helps out the Victoria's Secret Angels' campaign in St. Barths