A couple of times. Once very early in my musical career, when a young little hottie followed me out to my car as I was loading out. I gave her the cold shoulder, which probably saved her life as my then-wife was inside the venue, and would have gutted her like a fish, the psycho she is.
Last time was a little over a year ago playing a charity concert. After leaving the stage and throwing my drums in the truck, I went back inside to hang with the bandmates, and this absolutely smoking hot red head walks up behind me, puts her hands on my shoulders, and whispers in my ear, "you were great". Walks away looking over her shoulder at me. I'm happily married (new one, not psycho), otherwise I would have destroyed that.
And that's a grand total of twice in what, 25 years.