In preparation for last night's season 11 premiere of Keeping Up With the Kardashians, Kendall Jenner and Kim Kardashian posted throwback photos from season one of the reality series. It's pretty crazy how different everyone looks now!

RELATED: Kendall Jenner Claims Kylie Jenner "Doesn't Have Her Priorities Straight" in 'KUWTK' Trailer

Click through the gallery to see the Kardashian/Jenner family in the opening credits for season one of KUWTK vs. what they look like now.