6. Kendall Jenner
Who: Kendall Jenner
What: Reality TV star turned supermodel
Why she's an 'It' girl: With 60 million Instagram followers, Kendall Jenner has changed the way the world views supermodels. She made her debut at No. 16 on Forbes magazine's 2015 list of top earning models, going from reality tv to the Chanel Couture catwalk faster than any other model in the business, and making her Victoria's Secret Fashion Show debut as an Angel just six years after signing with an agency.