Demi Lovato Claims Her Team ‘Barricaded’ Her in Hotel Room to Control Eating Disorder

Kate Beckinsale channels her inner catwoman in skin-tight latex at Demi Lovato's 30th birthday bash

Demi Lovato Explains '29' Song Meaning: 'The Public Needs the Truth'

Demi Lovato spends 30th birthday with pals Paris Jackson and Ashley Benson in West Hollywood