Bec is a swim school teacher in suburban Australia. But to an ultra-rich American doctor, she was 'Grace' - a glamorous gold mining heiress. These are her explosive texts as her secret alleged past catches up with her | Daily Mail Online

Rebecca Silk, 34,  jetted into the US posing as wealthy mining heiress Grace Erskine to trick a lonely doctor more than twice her age into believing that their online relationship was real.