"I'm not crazy," Demi Lovato says during her guest starring appearance on "Grey's Anatomy" next week. Demi plays a troubled teenage patient whose parents brought her in to Seattle Grace for schizophrenia. She will fall under more

Meeting the Grey's Anatomy cast was already a dream for rising star Demi Lovato. Now it's come true, with the 17-year-old actress acting right along side them! "The first two actors I met were Justin Chambers and Jessica Capshaw, and I was more

Demi Lovato, who will be checking into Grey's Anatomy for May sweeps, has dished out a first look at her role. The 17-year-old Sonny With a Chance star tweeted a photo of her character, a possibly schizophrenic patient being treated by Alex Karev (Ju more

Tonight's Grey's Anatomy guest star, Demi Lovato, spoke with E! Online about what it was like to meet the cast, what a big fan she is of the show, and much more. Demi plays an extremely troubled patient Alex must treat on "Shiny Happy Peopl more