Robert Irwin shows off his impressive six-pack as he backflips shirtless into a lake - Daily Mail

Robert Irwin flaunted his impressive physique in a shirtless video this week.

Robert Irwin flaunted his impressive physique in a shirtless video this week. The 18-year-old, who is the son of the the late 'Crocodile Hunter' Steve Irwin, took to Instagram to showcase his backfl… [+1803 chars]

full article...