Yes - years ago went to a private house in Shenton Pk and when the door opened the two of us went "oh, I know you...ha ha". I knew her from the gym I was attending at the time. Nice girl, good body, after a moments hesitation we both decided go for it - had a great time as I recall
Been told in the past that some venues have one-way windows and the girls have a look at who has come in before doing the intro's. One girl told me her uncle came in once and thank God for the glass...