Demi Lovato Loves 'Glee' Set

Demi Lovato is full of "Glee"! The actress took to Twitter today to herald her second day on the set of FOX's song-and-dance series, and it sounds like she couldn't be having more fun.

Co-star Naya Rivera revealed to MTV News over the weekend at the VMAs that the "X Factor" judge would be playing her love interest!

"I'm very, very excited about that," Naya said. "We get to sing a song together. It's gonna be good."

How excited are you to see Demi on "Glee"?