courtesy of Twitter Britney Spears is getting ready to get her " Glory" on and what better way to do it than carpool karaoke with James Corden. The duo took off and sang their way through Spears' hits such as "Toxic," "Womanizer," and "...Baby One More Time." For BOMT, Corden donned a wig and a schoolgirl uniform as a tribute to Spears' first hit single. In the car, the 34-year-old singer revealed that she no longer wants to date men, does not believe in marriage but does want three more kids. Her two sons with ex-husband Kevin Federline, are now 9 and 10. She did seem slightly uncomfortable though this was one of the first times we have actually seen the singer sing live though she did take to lip synching after a certain point. Spears spoke to KTU, a radio station in New York, and had this to say about the experience: "Sometimes I got onto him and said, 'I don't want to hear that song again.' They didn'