Singer Britney Spears is not sure whether she wants to renew her residency at The Axis at Planet Hollywood here.

"I'm not really sure. I haven't made up my mind. I really love doing the show. It's a lot, a lot of fun but I'm kind of torn right now. I don't really know what I want to do," eonline.com quoted Spears as saying.

If she doesn't go ahead with a new deal, her last few performances of "Britney: Piece of Me" will take place later this month through October with final shows happening over the New Year's Weekend. She marked her 100th show on Friday night.

But a new contract is currently on the table.

Spears has been in the studio working on new music.

"We're having fun right now. I'm working with some women who are amazing writers. I have ballads and, of course, dance music-fun cheeky sexy stuff," she said.