Ronan Keating worries about son in love island villa 'with all those other guys'. Jack disclosed his claim to fame before entering the villa, saying: Ronan Keating, my father, is a singer. He'll definitely be watching when I'm on it. He's excited for me since my father and I are best friends. Singer Ronan Keating has spoken out about his son Jack's time on Love Island's Casa Amor, revealing he's been an "absolute mess" while watching the show.