The former Disney's Child star and X-Factor judge, Demi Lovato has reportedly threatened rapper Kanye West.

During an interview with E!, Lovato admitted that she told the rapper that he better treat his new fiancee, Kim Kardashian well or "I will be going after him with full force."

Via E! News:

"Yes, I've told Kanye before that if he doesn't treat her well, I'm going to come after him," Demi laughed."

Demi, who is good friends with Kim K., went on to explain how the reality star had been their for her during some tough times in her life. She also reacted to the news about how Kanye rented out AT&T Park stadium for Kim's private birthday venue and how he used the special occasion to propose to Kim.

"She deserves that Giants stadium! Thanks for telling me—now I can go congratulate her!," she told E!.

Looks like Demi was just sticking up for her friend as all good friends would do. Watch the interview HERE.