TVLine reports that the soon-to-be 21 year-old will play a struggling artist named Dani who will be friends with Lea Michele's Rachel and Naya Rivera's Santana. She's also reportedly set to have a few songs with Adam Lambert, who announced he was joining the show earlier this year. Lambert tweeted after hearing the news, "@ddlovato I just heard the news! Excited to sing w you girl!"
The site reports that the deal will work with her X Factor duties and she's set to debut in the October 3 episode.