Brooklyn Beckham’s Ab Workout Secrets Revealed

Brooklyn Beckham rocks some camo while skateboarding around town on Thursday (September 29) in North London, England.

The 17-year-old model’s L.A.-based trainer, Chase Weber, recently opened up about his workout secrets!

PHOTOS: Check out the latest pics of Brooklyn Beckham

He has Brooklyn do a set of 150 ab exercises first.

“A lot of time people go into a workout and their core is not activated, and you can injure yourself that way,” Chase told Elle.com. “[When] you get your body hot before your workout, your workout will go a lot smoother.”

20+ pictures inside of Brooklyn Beckham skateboarding in London…

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