Pop sensation  has had a rough few months, to say the least. The singer and her ex-husband, , called it quits earlier this year, and let's just say things have gone from  in their messy divorce battle.

While fans and followers still don't know the real reason why Clarkson split from the talent manager, it was revealed on November 30, in court documents granting the singer primary custody of their two children, that there are "issues of trust between them."

Why, exactly, would the  winner ? Well... Blackstock has been accused multiple times of cheating on Clarkson and his former wife,  Melissa Ashworth

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In 2013, , family friend  Jerry Reed claimed Blackstock was “running around on” his first wife, whom he was married to from 2001-2012 (it's reported that he started dating Clarkson in 2012), .

Then, shortly after Blackstock and Clarkson tied the knot in October 2013 and announced Clarkson's pregnancy, rumors swirled that Blackstock was again stepping out on his marriage, this time with the famed singer as his wife. At the time, the website  while he was engaged to Clarkson. "At an afterparty, Brandon approached a group of my friends and I and bought us drinks. We all went back to his hotel room and had more drinks.

My friends left but I stayed behind and yes, we had sex that night," the source claimed, according to another gossip website, . "I even asked him about Kelly and his reply was, 'She ain’t gotta know. This kind of thing happens in this business all the time.'"

Following the reports, Clarkson took to Twitter to set the record straight. "Keep hearing random rumors of me & Brandon splitting or that's he's cheating on me. Stop with all the lying please," she insisted.