Justin Bieber has finally found an appropriate activity to do shirtless.
The 20-year-old singer hopped in the ring with Floyd Mayweather for some boxing lessons on Thursday night.
"Training with the Champ @FloydMayweather tonight," the Biebs casually posted on his Vine account.
The short clip showed the undefeated boxer holding up some pads for the pop star to swing at. Floyd even gave his pal a nickname… "money bags."
"Training and having a good time with @justinbieber," the 37-year-old tweeted after the lesson.
In May, the "Confident" crooner (and Lil Wayne) escorted MayweatherRead More »from Justin Bieber enters the boxing ring - and you may have heard of the other guy