Kim Kardashian Posted a Heartwarming Message to New Mom Kylie Jenner Some of the biggest news of the year broke on Sunday when Kylie Jenner announced she had recently given birth to a baby girl. My beautiful and healthy baby girl arrived on February 1st and I just couldn't wait to share this blessing. I've never felt love and happiness like this I could burst! One day after the announcement, big sister Kim Kardashian posted a message of her own. Mommy Kylie!!! You did it!!! I'm so incredibly proud of the woman you have grown up to be and I know that you are going to be the best mom to your new baby girl! I am so proud that you do what you want to do and live your life the way you want, you will pass down all of those amazing qualities to your baby girl. You were made to be a mom! I love you! Sisterly love is the best.