'A breath of fresh air': Leggy Nicole is a hit at U.S. X Factor auditions as Cheryl becomes 'the invisible woman'

By SARA NATHAN At your service: Nicole Scherzinger poses with excitable fans as she arrives at the second day of auditions in New Jersey for the U.S. X Factor today She is still in hiding after her dreams of cracking America on the X Factor USA were shattered.And yesterday, Cheryl Cole actually became the invisible woman as Simon Cowell introduced her replacement on the TV talent show – singer