Gwyneth Paltrow joins "Glee" next week -- and today, we've got the first look at her performing an extremely toned down version of Cee-Lo's "F**k You."
In the episode, called "The Substitute," Paltrow's character Holly Holliday subs for Mr. Schuester (Matthew Morrison) while he's out sick.
Morrison's character also hallucinates about the New Directions gang as kids in next Tuesday's episode -- check out the adorable kiddie counterparts below!