Description: Amy Willerton shows off her beach body in string bikini on holiday in the Caribbean And the blonde beauty is certainly giving her former mentor a run for her money with her stunning beach looks. Amy Willerton, The 19 year-old showed off her nice body for the cameras in an array of incy-wincy bikinis and choice accessories. Thankfully, She hasn’t let us down. Just look at these photos of the model relaxing in St. Maarten.