Check out the full performance video of "Wannabe" by the girls of "Glee" from the show's Season 4 Episode 17: “Guilty Pleasures.”

It’s a week of confessions as the gleeks come clean about their deepest (if not darkest) guilty pleasures.

And as for the girls, it’s the Spice Girls!

Watch the full performance of “Wannabe” by Glee girls here: