We wouldn't be surprised if they're headed on a babymaking-moon!

Rob Kardashian and girlfriend Blac Chyna caught a flight out of LAX this morning, and Kris Jenner better hope they aren't jetting off a romantic vacation with the intent of conceiving a child. After all, the former stripper just declared that she wants marriage and babies with Kimmy K's little bro...

In case you missed it, Tyga's ex told her slimmed down boyfriend in no uncertain terms that he better pop the question and put a bun in her oven soon! "Rob, I am not playing with you, I want my eggs cracked! That means I wanna have a baby! I need my name dropped. That means I wanna be married! I'm am not f**king around with you!” she said in a Snapchat video. If Chyna gets her wish, Rob and Kylie could potentially end up sharing King Cairo as a stepson!

You have to watch the below video to see what Rob says about those cheat days at In-N-Out burger...