Restart slideshow

See How Much the Kardashians Have Changed Since Season 1

Start Slideshow
February 15, 2015 - Craig Barritt/Getty Images North America more pics like this »
Prev 10 of 18 Next
10. Kylie Jenner Now

Age Now: 17

Kylie is the youngest of the Kardashian/Jenner sisters, but it's easy to forget she's only 17 — especially when she's supposedly dating a 25-year-old. You can bet her racy Instagram posts and love life will dominate season 10.