After being dogged by rumors of a split for months, OK! has confirmed that Mario Lopez and Karina Smirnoff have called it quits.

Karina, who began dating the Saved By the Bell star in 2006 when they were partnered together on Dancing With the Stars, announced the split on the red carpet at the A-list Bravo Awards on Wednesday night, telling OK!, “I just wouldn’t be a great girlfriend right now, Mario’s a great guy.”

The couple’s busy schedules were no doubt a strain on their relationship. Mario recently told OK! that he wasn’t going to have a free day until September, with a commitment to perform on Broadway in A Chorus Line, as well as promoting a fitness book and gearing up for the second season of America’s Next Dance Crew.

During the most recent season of DWTS, Karina was paired with sexy singer Mario, sparking rumors of a romance that were subsequently denied. More recently, the Ukrainian-born beauty was spotted out and about with E! personality Michael Yo. The two were recently seen dancing and canoodling at a recent event at Hollywood eatery Beso.

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