LeBron completes gruelling workout in new ad

If you ever wondered what it took to get to the top of the NBA, then LeBron James has given some insight in a new television commercial.

James is following in Serena Williams’ footsteps in endorsing Beats by Dre headphones.

In the emotional advert, James, who returned to his hometown Cleveland Cavaliers during the off-season, makes an emotional trip to his high school gym where he completes a gruelling workout.

The NBA superstar shows off his ripped body in going through some torturous exercises in the fittingly named LeBron James Arena.