Kaia Gerber reached to the age of 16 and she has done her highly anticipated runway debut at the Calvin Klein spring 2018 during New York Fashion Week. She opened the show at Alexander Wang with the walk and it is clearly proved that she has inherited mom Cindy Crawford supermodel genes in many ways. From the Calvin to Wang and the Fenty x Puma show of Rihanna, the teenager is off to run start for her…