Robert Irwin Makes Red Carpet Debut with Girlfriend Rorie Buckey, Niece of Heath Ledger

Robert Irwin and Rorie Buckey made their first public appearance as a couple at the premiere of Mission: Impossible - Dead Reckoning Part One.
Rorie Buckey is the 19-year-old niece of late actor Heath Ledger.
Rorie's family runs the Heath Ledger Scholarship to honor the actor's memory.
Robert Irwin shared a throwback photo of his parents, Steve and Terri Irwin, for their wedding anniversary.
Robert Irwin was recently bitten by the same type of snake that killed his father, Steve Irwin, known as the Crocodile Hunter.