Thirteen million people watched Britney Spears as she performed for her new single ‘Womanizer‘ on X-Factor. The singer wowed the judges and the hopeful contestants in her first UK performance in five years. Spears earned a standing ovation from Simon Cowell and the audience in her sexy dance routine.

Britney Spears looked great in fish net stockings and a skimpy black outfit. She stopped over at the X-Factor set to show all the hopeful contestants how it should be done. She received applause from all the judges for her performance, although some critics were quick to voice their opinions on her show. They noticed that unlike the contestants, the singer lip-synched throughout her performance. Fans defended Britney saying that she was amazing and that she can mime if she wants.