Photos showed the two meeting up at Alfred Coffee with their flat stomachs on full display.
Jenner, 20, sported black leggings with a matching crop top and leather jacket lined with fur.
Meanwhile, 19-year-old Baldwin donned white, patterned leggings with a gray t-shirt tied in a knot in front, just above her belly button.
This isn’t the only appearance Jenner’s belly has made recently.
It seems the 20-year-old has more room for her apparently massive crop top collection, as she has decided to give a certain fashion trend.
“There are some trends that HAVE to go,” Jenner explained on her website last week. “Am I the only one sick of butt-baring shorts and slogan shirts?”