The mother of two confirmed that she and husband Kanye West are expecting their third child via surrogate on Thursday's KUWTK promo, but she's not the only member of her family awaiting a bundle of joy.
ET learned that 20-year-old Kylie Jenner is pregnant and expecting a baby girl with her boyfriend, Travis Scott. And on Tuesday, ET learned that 33-year-old Khloe Kardashian is pregnant with her first child with her boyfriend, Tristan Thompson.
"It's going to be a very busy time for the Kardashian-Jenner family," a source told ET on Tuesday of the three sisters expecting babies in the new year. "Everyone is thrilled."
See more in the video below.