Demi Lovato to join 'Glee'

Singer Demi Lovato will play a guest appearance in the upcoming season of TV musical drama "Glee".

"The X Factor" judge will reportedly play Dani, a New York City based struggling artist and a friend of Rachel (played by actress Lea Michele), reports tvline.com.

It is also said that Lovato,21, will appear in six episodes of the show.

"Glee" will mark her first acting role since her Disney Channel series "Sonny with a Chance" that went off air two-years-ago.