ET EXCLUSIVE: Britney Spears Rehearses for Femme Fatale Tour


Britney Spears is gearing up for one of the most highly anticipated tours of the summer, and only ET is with the superstar as she rehearses for her Femme Fatale Tour kicking off June 16 in Sacramento, California.

But if you just can't wait for ET's exclusive interview which airs tomorrow, check out the video for a peek at Britney rehearsing her second single off Femme Fatale, "Till the World Ends."