'Stop all the lying please': Pregnant Kelly Clarkson fights back against rumours that her new husband Brandon Blackstock cheated on her. She has been married for less than two months and is expecting her first child, but already Kelly Clarkson is having to defend her husband's faithfulness. 'Keep hearing random rumors of me & Brandon splitting or that's he's cheating on me,' the 31-year-old American Idol winner angrily tweeted on Friday, before begging accusers to quit the accusations.