Davina McCall has flaunted her incredible figure in a white bikini and shown off her enviable curves.The mum-of-three, who was previously slammed for her white-roots hairdo, took to her Instagram feed to post a stunning snap of herself basking in the sunshine. In the photo, the 53 year old can be seen wearing nothing but the bikini and a pair of sunglasses, as she holds a tray of refreshing beverages.