Jerry O'Connell publicly admitted failures in ex‑fiancée Giuliana Rancic's 2015 memoir about their split. He labelled himself a 'terrible boyfriend' (awful) in a 2026 interview with AOL. Their breakup was originally detailed some time back in her memoir. O'Connell furthermore spoke about unfaithful allegations from that era. The couple gave their long-awaited interview side by side since the history came back up. Both addressed the claims explicitly for the first appearance in years.