((Courtesy of Jive Records))

Britney Spears, the young, braid-sporting pop star turned head-shaving tabloid disaster, continued her latest comeback with the video premiere of “Till The World Ends.” Set in the apocalyptic year of 2012, a leather-clad Spears gyrates through an underground scene as she , you guessed it, dances until the world ends. The song, which was co-written by modern music’s greatest mind, Ke$ha, is the second single off Spears’ new record, “Femme Fatale,” which has received mostly positive reviews. The Post’s Chris Richards’ said the album, packed with dance floor songs, lacks “a protagonist to reside at the center of the party.” What do you think of Brit’s latest video? Tell us in the comments.