With an Estée Lauder deal, a dozen high-end campaigns, an app, and a clothing line, Kendall Jenner was easily the busiest - and most in-demand - model in the business this year. Her modeling career ignited early on, walking in over 20 shows during the year's Fashion Weeks. She snagged huge magazine covers, attended the Met Gala with Calvin Klein, and still made time to join Taylor Swift's squad on stage at a concert. Here are 16 reasons Kendall slayed 2015. Take a look!