When your mom is the ever-stylish Kourtney Kardashian and your dad's the statement-making Scott Disick, people expect big things from your wardrobe — even if you're only 3 years old! Luckily, little Mason has no problem keeping up . . . with the Kardashians, or anyone else for that matter. As big brother to baby Penelope and soon-to-be eldest cousin of the Kardashian clan, Mason's leading the little ones with his high-fashion example. Check out the latest highlights of the adorable tot's always-on-point style.