Britney to release 'dance' video
Britney's going to treat fans to a different version of 'Till The World Ends' this week.
The star tweeted, "Just saw the final cut of the dance version of the #TTWE video. Not sure which one I like best? Comes out this week."
The original came out last week and sees Britney - at a grimy, underground party.
Take a look...