Kylie Jenner Shares the Most Adorable Throwback Photo For Kim Kardashian's Birthday

The Kardashian-Jenner sisters were all about the throwback pictures to celebrate Kim Kardashian's 35th birthday this week. Soon after Kourtney called Kim her "partner for life" in a sweet birthday message, Kylie took to Instagram to post a throwback photo of Kim hugging her and Kendall. Along with the social media shout-outs, the family also showed their love for Kim by stepping out for the surprise party Kanye West threw for her at the Westlake Cinépolis theater. Mom Kris Jenner was also in attendance, but Khloé unfortunately missed the event, as she's been by the side of her estranged husband, Lamar Odom, at Cedars-Sinai hospital in LA.

Following her birthday bash, Kim thanked her fans, friends, and family on Instagram, giving a special shout-out to Kanye, writing, "My husband never ceases [to] amaze me! He rented out the entire movie theater to screen the new Steve Jobs (It's sooooo good BTW) and had all of my family & close friends come dressed up as their best pregnant Kim look (fake baby bumps provided on arrival!)."

In honor of Kim's birthday this week, check out her Hollywood evolution plus her sexiest bikini snaps and her sweetest moments with North!