Watch Gwyneth Paltrow Belt Out Pharrell's "Happy" on Glee

As expected, Gwyneth Paltrow returned to Glee (along with Kristin Chenoweth) to celebrate the show's 100th episode this week. Though the theme was to reinvent old favorites from the New Directions, Paltrow's character Holly decided to mix it up, performing Pharell's Oscar-nominated hit, "Happy." OK, so the scene doesn't quite compare to Pharrell dancing with Lupita Nyong'o at the Academy Awards, but it's still pretty infectious and energetic. Check it out: