Britney Spears is releasing her new music video for "Till the World Ends" this week -- and today, we've got a sneak peek at the apocalyptic clip!
In the video, Spears is the main attraction at an underground dance party as the the world literally ends around her.
Britney will reportedly release two versions of the video on Wednesday -- a director's cut with more of the storyline and a choreography cut, which will focus on the dancing ... this according to JustJared.
Come back Wednesday to see the full video!
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