Rochelle Humes wowed in white as she took over from Holly Willoughby on ITV's This Morning.The former pop star has stepped into Holly Willoughby's shoes before, when Holly sped off to Australia to present I'm a Celebrity and today marks the start of Rochelle's new Friday morning stints on the magazine show where she will present each week. Rochelle stunned as she took a leaf out of Holly's style book and posted up her outfit of the day to her Instagram account prior to the show starting.