By A Mystery Man Writer
ldquo;Heart Attack” singer speaks out to her fans in a series of tweets
Demi Lovato's Beauty Evolution
Demi Lovato's History With Substance Abuse, Explained
Demi Lovato Brought Transgender Politician Danica Roem as Her Date for the AMAs
Demi Lovato opens up about her engagement, health journey
Demi Lovato discusses her documentary, new album, and 'California sobriety
Mandy Moore: A Fashion Icon
Demi Lovato Slams Fat-Shaming Instagram Video Game Ad
Watch Us Unbox Every Single Product in Demi Lovato's New Makeup Line
Demi Lovato drops pro-choice anthem inspired by Roe v Wade