Emmy Award winning actor Gwyneth Paltrow will be singing Pharrell Williams Oscar Award-nominated hit single “Happy” for the upcoming 100th episode of Glee. She will play the role of substitute teacher Holly Holiday, who has appeared in earlier episodes of the show, a fun loving, no rules teacher who is more of a friend to her students.
Chace Crawford and Kristin Chenoweth will also make an appearance in the episode. Paltrow’s cover of “Happy” will also be on the album Glee: The Music Celebrating 100 Episodes. The next episode airs tomorrow (March 18) on FOX at 8pm. Listen to a preview clip of Paltrow singing Pharrell’s “Happy” below.