A source told ET last month that although Jenner and the 28-year-old athlete haven't been shy about spending so much time together, the two are just having "fun" right now. Still, their relationship doesn't seem to be a rebound for either sides.
"She is very much his type, physically. It's surprising that Kendall is being so public about this," the source said. "She's usually extremely private about who she's dating, but she seems really into Blake and she's actually happy, so it's making her relax a bit."
Hear more on Jenner and Griffin's flirty date nights in the video below!