Britney Spears is rehearsing moves for a tour “definitely next year,” she told NYC radio station Z-100 on Monday.

“Around the world,” she revealed of her plans.

As for her new single, a giggling Spears described “Womanizer” as “a girl anthem.

“It’s a really cool song,” she added. “I like the fact that it’s so empowering for girls. It’s about guys cheating on other girls.”

The song is the first single from her upcoming sixth album titled Circus, due out Dec. 2, coinciding with her 27th birthday.

“I cut Circus like two weeks ago,” she said. “I’ve been working on this album for like six months now.”

The singer explained that she was “really shocked” to win three MTV Video Music Awards for her video “Piece of Me.”

“It’s a cool video but I think by far I’ve done videos that are way better,” she told Z-100. “It was really inspiring [to win] because now I can go there and do something crazy.”

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