Article continues below advertisementKhloé Kardashian is upping her fitness game.The Kardashians star, 41, flaunted her toned physique in the middle of a gym workout on Thursday, July 17.Article continues below advertisementSource: @khloekardashian/InstagramKhloé Kardashian is getting ready for a photoshoot.Kardashian rocked a tiny gray sports bra and leggings that hugged her curves. She stood in front of a treadmill as she snapped a mirror selfie, running a hand through her sweaty hair.