Hottest Stars Under 25!

Thanks to E! and its Kardashian obsession, loyal fans have practically watched Kendall and Kylie grow up. Since their three older sisters — Kourtney, Kim and Khloe Kardashian — are all reality queens and media darlings, 15-year-old Kendall and 13-year old Kylie are bound to follow in their footsteps —  especially if momager Kris Jenner has anything to do with it!