Kicking off her week with some promotional duties, Nicole Scherzinger was spotted tending to work efforts in London, England today (November 29). The former Pussycat Doll looked to be in good spirits as she hit up the Reebok ZigTech photocall held at the Westfield Shopping Centre, sporting a funky hairdo and a colorful ensemble. Prior to the Reebok gig, Nicole talked about the rumors the she is headed for a spot on the judges’ panel for the US version of “X Factor” during a Daybreak studios interview “If Simon [Cowell] calls and asks me then it’s something I would have to think abou...