Well, it can't hurt! Katie Waissel tries a demure new look... but will it stop her being in the bottom two for a FOURTH time?

By SARAH BULL Demure: Katie Waissel tried out a new look as she arrived at X Factor rehearsals She's been in the bottom two of X Factor three times already. But now Katie Waissel has decided to adopt in a demure new look in the hope of convincing fans to give her a shot and keep her from the dreaded final sing-off.The 24-year-old singer arrived at rehearsals today wearing a blue tiered coat over