Her mother confessed to being a Material Girl in 1984 but it seems that in 2013 there is only one type of fabric for Lourdes Leon. Pictured exiting John F. Kennedy International Airport on Sunday, Lourdes was seen trying her hand at the double denim trend. The 16-year-old looked effortlessly cool as she left the New York airport in her dressed down get-up. Taking on the trend: Lourdes Leon arrived at JFK Airport on Sunday sporting double denim and a wrist brace Sporting a knitted bottle green beanie, Lourdes appeared to be ready to call it a night as she journeyed out of the terminal. The young fashion designer wore grey cardigan underneath a denim jacket which was decorated with various badges. A pair of loose-fitted jeans, high shine black Dr Martens boots, and a rucksack completed Leon's ensemble as she wore headphones around her neck. Effortlessly cool: Make-up free Lourdes teamed her denim ensemble with a cardigan, knitted hat and boots Injur...