Which Young Reality Star Mom’s Baby Cried on Santa’s Lap? (PHOTO)

The hills are alive with the sound of music, but this holiday season, one young celeb mom is only hearing her baby’s cries.

When this reality star danced over to Santa’s Workshop with her son, he erupted into tears on Kris Kringle’s lap!

Hey, we can’t blame him — Santa stole his outfit! And if we’re being honest, in his tiny red suit, this little guy looks cuter than the white-bearded man.

Can you guess his celebrity mom? Click on for the reveal!