She shares how she got involved in the project, what it was like going into the recording. Nick Jonas discusses beginning a new chapter with his 2014 self-titled album and collaborating with Demi Lovato. Demi Lovato was still using drugs, she reveals in her new documentary. Demi Lovato is caught on camera snorting cocaine in a new interview and cover. From Jennifer Lopez To Mariah Carey, The 24 Best Awards Show Performances Of 2018.