Ronan Keating has admitted that he was "nervous as hell" watching son Jack, 23, enter Love Island. Jack, 23, entered Casa Amor on Sunday as one of six new male bombshells and it wasn't long until he name dropped his famous father to Gemma Owen, the daughter of Michael Owen. Sharing his thoughts over his son's explosive arrival to the ITV2 villa, Ronan, 45, admitted that his "heart was beating out of his chest".