Which made it all the more confusing when at 10:00 p.m. Friday night, Rob tweeted that he has a son.
And it isn't the first time that Rob has mentioned a son. In 2009 he engaged in a conversation with Nicole Richie on Twitter about his son before deleting his tweet.
And in May 2013 he Instagrammed this photo, with the caption including "shout out to my Son Robert the Third," before deleting it.
Confused? Us too.
UPDATE: Rob was just joking y'all. He does NOT have a son. Duped.
BuzzFeed has reached out to Rob Kardashian's representative for comment.