A recent Reddit thread asked people to tell the story of the nicest celebrity they've ever met. Turns out some stars are actually down to earth.
I worked at a Barnes & Noble in high school, with my now wife. LL Cool J lived right next to it and would come in almost daily. He knew most of our names, really nice guy. - snufyou
Dave Chappelle and his family live a few miles from where I went to college, and he and I frequented the same Starbucks. I ran into him about ten times. One day he sat with me for about 45 minutes and talked about screenwriting. It was amazing. He’s as down to earth as his stage persona suggests, and it’s no wonder he opted to raise his family away from L.A. - cwills815