Kim Kardashian usually works out in the comfort of her converted garage inside the Hidden Hills, California mansion. But on Wednesday the 37-year-old beauty visited the beach for her sweat session

The raven-haired pinup wore a grey outfit as she did the tree pose and performed lunges while with two female friends

The Selfish author didn’t appear to have anything out of place in this skimpy number

Kim was not shy with her body as the back of her briefs fully exposed her backside. But the Keeping Up With The Kardashians star has reason to be proud of her 5ft3in frame – she is in the best shape of her life thanks to workouts with trainer Melissa Alcantara

Kim posed just so as she ran up the beach; the star has been preparing for a new season of KUWTK which debuts this summer