Demi Lovato is keeping busy during her self-isolation! The 27-year-old joined Jimmy Fallon on Tuesday night (March 31), via video chat, for his second televised episode of The Tonight Show: Home Edition, and revealed that her manager Scooter Braun is keeping celebrities together with an exclusive Facetime group. Demi said that big celebrities like Katy Perry, Ariana Grande and Bill Clinton have been part of these Facetime group chats. “Every night it’s somebody new, a guest of honor,” Demi said. Demi also opened up about taking care of your mental health during the ongoing world crisis: “It’s so important right now,” she explained. “We’re alone with our thoughts right now, some of us are at home alone… it’s really just them and their