Richard Young/Startraks
September 19, 2011 10:00 AM

Christina Aguilera and boyfriend Matt Rutler had a ringside view as they watched Floyd Mayweather Jr. knock out Victor Ortiz at Las Vegas’s MGM Grand. The couple sat near True Blood‘s Stephen Moyer and wife Anna Paquin, as well as Mark Wahlberg. Following the fight, Aguilera and Rutler headed to Tao Las Vegas for dinner and dancing.

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