Catherine Tyldesley is being lined up to replace Holly Willoughby on Celebrity Juice, according to reports.The 36 year old has appeared on the hit ITV2 show before, and is thought to be telling friends she is "up for it". It is believed that producers of the show have a list of eight people they think would be a good replacement for Holly, 39, and that former Coronation Street star Catherine is a firm favourite on it.