Kim Kardashian spends beau’s birthday with his parents

Things between Kim Kardashian and New Jersey Nets player Kris Humphries seem to be getting serious as she celebrated his birthday with him alongside his parents.

Kim reportedly took her boyfriend out to dinner with his parents at New York’s STK, states People. Kim has reportedly really hit it off with his parents and did so even more during the simple birthday dinner.

And at the end of the night, Kim reportedly picked up the $900 check and left a sizable tip.