We tried the Rumble boxing workouts that Justin Bieber swears by

We tried the Rumble boxing workouts that Justin Bieber swears by

We tried the Rumble boxing workouts that Justin Bieber swears by

Rumble boxing is a celebrity-favorite workout. The 45-minute class is a mix of boxing and strength training.

User: Insider

Views: 8.2K

Uploaded: 2019-06-11

Duration: 04:15

Your Page Title