Kim Kardashian Poses in a Sports Bra After Vowing to Slim Down Posted on October 27, 2012October 28, 2012 by Your Reality Related Post New BeyoncĂ© Formation Drops A Day Before Super Bowl 50 Appearance New Music by Kanye West – FACTS Tracee Ellis Ross Tribute to Diana Ross A Backside View of Tracee Ellis Ross Yes it’s true, Cam Newton Has A Baby Kim Kardashian has showed off her toned tummy in a sports bra after vowing to slim down.