Glee Poll: Which Britney Spears Song Peformance Was Your Favorite?

After tackling the work of Madonna and Lady Gaga, Britney Spears became the latest pop princess to be honored by Glee. In the new season's second episode, "Britney/Brittany," scene-stealing ditzy cheerleader Brittany (Heather Morris) finally stepped into the spotlight to take on several of Spears' biggest hits and even got to go head to head with the Grammy winner herself! With so many memorable homages to Britney's iconic music videos throughout the hour, we want to know: Which Britney Spears song performance from last night's episode of Glee is your favorite? Vote below!