Nicole Scherzinger is the latest judge to join the "X Factor" U.K. team. The former Pussycat Doll replaces Kelly Rowland, and couldn't be happier for her new gig. "I'm so excited to join the U.K. 'X Factor' family," she said. "It's where I got my start, so it feels great to come full circle. I can't wait to see what talent the U.K. has to offer and to help inspire and bring ...