Madison Channing Walls' Instagram

Boy Or Girl? The 'Real World: Skeletons' Baby Is A...

Plus, find out what mama-to-be Madison is naming her bundle of joy!

The "Real World: Skeletons" crew is going to have a little lady entering the mix: Baby Tadison is a girl!

Madison -- who is expecting her first child with fellow cast member Tony -- gleefully revealed her bun in the oven's gender on Twitter (fittingly with some pink-themed emojis):

The mama-to-be -- who announced that she was avec child in August and is already in her second trimester -- has already decided on this precious princess' moniker.

"Little Harper Delaney due February 18th #soinlove," the vivacious Texan captioned the Instagram sonogram snapshot above featuring her teeny-tiny daughter. Would you look at that MTV munchkin?

And, ever the planner, Madison is also preparing for her mini-me's impending arrival with some important purchases:

Offer your well wishes to Tadison on their daughter on the way in the comments!