Nicole Scherzinger "so grateful" for 'The X Factor'
X Factor  guest judge Nicole Scherzinger has said that she feels "grateful" to be returning to the show . The 'Don't Hold Your Breath' singer appeared as a temporary panellist on the 2010 series of The X Factor , filling in for then-judge Dannii Minogue while she was on maternity leave.  Rex Features / Brian Rasic She was then awarded a permanent position on The X Factor  USA  after Cheryl Cole was axed, but left the show  upon the completion of its first season. Tweeting  ahead of the latest X Factor  auditions in London this week, Scherzinger declared: "Super excited to be back in London for @TheXFactor! Can't wait to find more unique and interesting talent. "Looking forward to seeing my UK fans in London at the 02. I'm so grateful and blessed to have them!!! #secondhome." After completing her stint with Gary Barlow, Tulisa Contostavlos and Louis Walsh today (May 31), she wrote : "Great day w/ @theXfactor @officialtulisa @gbarlowoffic...