Something about Hayley's voice sounded quite familiar to me, but I couldn't put my finger on it. Then looked up her photo and it all came back. She was one of the stars of a documentary on Channel4 in the UK in 2013 called Bi-Curious Me.
Bi-Curious Me - Bi-Curious Me - All 4
A good watch, actually. Check it out regardless of who's being featured. But I remember the scene where she follows a woman she saw on the Tube, eventually tapping her to pay a random compliment. I think I'd be shot dead in the street if I tried that!