After a poll on the Glee website last week asking fans who else they would like to see Glee pay tribute to Britney won by a landslide!
This week, they're asking fans what song they want to be covered. You can vote at breatheheavy.com. However, since you can only pick one song, this suggests its unlikely to be a whole episode tribute. Shame.
Poll: Which Britney Spears song would you most like to see on Glee?