Pretty sure it's the one I remember, second floor across the road from a shopping center. I first saw while making deliveries to the stores there. Like you the models sign made me curious finally went in parking the truck across. Actually bought wife a few items that day tho I'll admit to being in there several times. She was curious where I got them so on a shopping trip up that was we dropped in and she had fun trying things on and stepping into the store to show me, not to mention a few other customers who appreciated her.. We made more trips there together than I had made. Did you ever go in there?
Reminds me of a lingerie store near Boston not far from the airport that we spotted on the way out when we visited some friends for a wedding. Amidst the display manikins and neon signs was one flashing "Models Available" that made me say "WTF". The car service driver our friends had hired laughed and explained it was more a tug and rub shop. Guys pick a model and in a private room she'll try on things for you while you rub and tug while watching her. Sometimes for an extra modeling fee she'd help toy. He also said he'd been there just what he'd heard from others. The place had some decent quality things along with the crappy stuff