Am I a creep for liking this?

Ok I know this is going to be a weired question, but I just have to ask. Lst night my wife went out with her friend, beleive me, she deserves it, she is a great mom and deals with alot while I am away at work. Anyways they are great friends and have alot of fun. They went to a local bar downtown, and as the walked in a bouncer checked their IDs. As he was checking my wifes he said (Verbatim) Wow, you know its summer when a girl wears a short skirt and heels, Damn You coming home with me. As they were leaving he was still out side, and repeated the comment about taking her home. When my wife got about 25 feet away he was still shouting at her, So she lifted up her skirt reavling her thonged , and mooned him. and kept walking with her skirt up for about 12 steps. When she told me this, and her friend confirmed it, I was shocked, and dissapointed. But Today after thinking about it, Im thinking it was pretty hot, and y. How big of a creep am I for thinking that was hot? I was also wondering how much trouble could she have gotten in if a cop saw that? Just wondering