hat head shot half length car shot Christina Aguilera photos courtesy of MrPaparazzi

Last night we spotted Christina Aguilera out and about in London, and noticeably absent was the Burlesque star's new boyfriend, Matthew Rutler. Maybe she left him behind at the hotel for a girls' night out? Can he even keep up with her?

After her strip tease on the X Factor over the weekend, I'm not so sure! Check it out: