Watch Jimmy Kimmel Challenge Kim Kardashian to a Diaper-Changing Contest

Keeping up with the Kardashians star Kim Kardashian appeared as a guest Monday on Jimmy Kimmel Live! and revealed an unlikely obsession: changing diapers. The natural response? A diaper changing contest, of course.

Kardashian, the recent mother of the famed baby North West, and Kimmel, a father of three, faced off with diapers and dolls in a race against time to see who could change the most diapers. See who took home the trophy—the results may surprise you.