The 41-year-old actress is making a return appearance as her character Holly Holiday and other stars guesting on the episode include Kristin Chenoweth and Chace Crawford. Check out a ton of stills in the gallery below.
“Happy” has been sitting at the top of the Billboard Hot 100 chart for the past three weeks amid its Oscar nomination earlier this month.
WHAT DO YOU THINK of Gwyneth Paltrow’s version of “Happy”?
Gwyneth Paltrow – “Happy”
20+ stills inside from the 100th episode of Glee… More Here! »