Sunday night's Keeping Up with the Kardashians Season 10 Episode 10 marked the first part of the E! series' special on Bruce Jenner's transition.

Needless to say, it was an emotional installment. We saw Bruce bravely tell the world on ABC News ... but how did his own family first react?

Posted in: Kylie Jenner

We hope you're sitting down, because we've got news that's sure to rattle you to your core and make you question everything you thought you knew about the world:

Posted in: Celebrity Gossip

All this week, the E! network has been offering teasers and previews for the upcoming two-part Keeping Up With the Kardashians special that will focus on the family's reaction to news of Bruce Jenner's sex change.

Via the nearly-constant stream of clips posted by E!, we've already seen Bruce showing Kim his toenail polish and sharing a tender moment with Kendall. We've seen Khloe storm out and Kris Jenner crying over her ex's transition.

Posted in: Celebrity Gossip