Robert Irwin Makes Red Carpet Debut With Girlfriend Rorie Buckey at 'Mission: Impossible' Premiere

Robert Irwin made his red carpet debut with his girlfriend, Rorie Buckey, at the premiere for 'Mission: Impossible Dead Reckoning' in Sydney. The pair is no stranger to the spotlight: Robert is the youngest son of Steve and Terri Irwin, while Rorie is the niece of the late Heath Ledger.