Kylie Jenner Was the One to Tell Khloe Kardashian Her Baby's Gender

The season finale of Keeping Up with the Kardashians will air March 4 at 9|8c -- and apparently viewers will witness the moment that Khloe discovers the gender of her baby!

A teaser trailer released by E! suggests that Kylie Jenner is the one who revealed the big news to her big sister.

Check it out below!