In footage from the party (below), Kylie didn't seem that shocked to see her friends and family as she beelined directly for her boo.
We love seeing Khloé Kardashian in a healthy relationship!
And the mother of his baby will be Khloe Kardashian.
Speculation that the reality TV star, 32, is pregnant or trying to get pregnant began to fly after she went wine tasting with her sisters on May 12 but declined to have any alcohol, Hollywood Life reported, citing a story in Star magazine.
In case you forgot, the youngest Jenner's name day is today (August 10).