LOS ANGELES, CA - SEPTEMBER 15: Kourtney Kardashian (R) and son Mason attend the "Thomas & Friends: King of the Railway" blue carpet premiere at The Grove on September 15, 2013 in Los Angeles, California. (Photo by Mark Sullivan/WireImage)
LOS ANGELES, CA - SEPTEMBER 15: Kourtney Kardashian (R) and son Mason attend the "Thomas & Friends: King of the Railway" blue carpet premiere at The Grove on September 15, 2013 in Los Angeles, California. (Photo by Mark Sullivan/WireImage)