Keeping Up with the Kardashians is about to return for a ninth season and this time the young guns are vying with Kim Kardashian as the main stars. Here teenagers Kendall and Kylie Jenner talk about growing up on the show, their family's recent troubles, how they are handling fame and their relationship with the big sisters. The girls also talk about babysitting for Kim and Kanye's baby, their new fitness regimes, fashion and beauty tips and much more.