Glee: 'Britney/Brittany' Stills Before Tomorrow's Episode!

Heather Morris channels Britney Spears‘ classic “Slave 4 U” costume in this brand new still from Tuesday night’s episode of Glee!

LISTEN: Glee Cast Performs Five Britney Spears Songs

Earlier today, Brit announced that she’ll be live Tweeting “Britney/Brittany”, which airs Tuesday (September 28) at 8/7c on FOX!

“Can’t wait for GLEE tomorrow night. I’m going to tweet along as it airs on the West Coast so we can watch together,” she wrote this morning.