Harley was mildly surprised by the hands on her hips when she felt them tugging her closer, but as soon as she understood she moved easily to keep the woman between her and Selina. She was unsure how this even started anymore, all though she knew it was a lot of fun - for her at least. She never expected this really but it was to solve the problems they had so it was good... right? As she felt the hand thread in her hair she smiled softly and gently nibbled on Pamela's neck.