'Spring Breakers' Cast Finishes The Britney Lyric On After Hours

When the bad girls of "Spring Breakers" aren't robbing restaurants or hooking up with James Franco in a hot tub, they're usually chilling out and singing some Britney Spears song.

Down at SXSW, MTV News' Josh Horowitz thought he'd test Selena Gomez, Ashley Benson, and Rachel Korine's Britney knowledge in a brand new After Hours episode.

Can the girls match the savvy of their on-screen personas, or will they saying "Oops, I forgot the lyrics again"? Find out on the latest episode of After Hours.