Chris Brown Kisses Fan, Sucks Knee, Falls Down [VIDEO]

Chris Brown got a little personal with a fan that got pulled on stage at a recent show in Detroit, and she didn't appear to mind.  Ladies - hot or not?  In an unrelated incident, Chris also took on a slippery stage ramp and lost on the Indianapolis stop of his tour.  Check out both videos after the jump.

Chris gets seductive in Detroit:

Chris vs. gravity in Indy (pay attention around 2:33):