OMG! Here’s a Sneak Peek of Britney Spears on ‘Glee’! (VIDEO)

Unless you’ve been hiding under a rock, you know that the New Directions crew plans on dedicating an entire episode of Glee to pop princess Britney Spears.

While there have been a few TwitPics and other rumors floating around, there is finally video evidence of next week’s exciting episod, featuring “Baby One More Time,” “Toxic” and “Slave 4 U”!

If you think you can handle the amazing-ness, check out the preview of next week’s episode. And don’t forget to tell us what song you’re most excited about in the comments!