Catwoman looked over her shoulder and grinned, "I am a rooftop addict and one could say that I'm weirdly dressed, but as for the club, if there is one, you can go ahead and sign me up. No, I'm a member of the insomniac club. Couldn't sleep and I love the rooftop, so here I am."
Anyone who would come up to the rooftop at such an ungodly hour was either a fellow insomniac or one who slept fitfully. Catwoman thought that it was the latter for the lady in front of her.
"There's more than enough space up here to share the rooftop, unless you really want to be alone..."