In a new clip for the upcoming episode of "Keeping Up With the Kardashians," Kim and Khloe Kardashian are working up a sweat with Rob, in an effort to keep his weight loss goals on track.
In a new clip for the upcoming episode of "Keeping Up With the Kardashians," Kim and Khloe Kardashian are working up a sweat with Rob, in an effort to keep his weight loss goals on track.