Eye Of The Tiger

Demi Lovato joins Lea Michele, Adam Lambert, Naya Rivera, and more on their own cover of Katy Perry’s “Roar”. The group sing the song in the upcoming episode of Glee entitled, “A Katy Or A Gaga”.

Demi is set to reprise her role as Dani on the musical comedy. In the episode, “Mr. Schuester pits McKinley’s Lady Gaga fans against the Katy Perry fans. The two groups then sing songs from the artist who they don’t like”.

Also, above we have provided a sneak peek look at the new episode airing this Thursday, November 7.

Source: FOX