There's no double take this time. Which can only mean he's been keeping tabs on her throughout the years on some level. He might have even orchestrated being in the same place at the same time now that she's back in Gotham.

The woman behind the counter, who's been trying to attract his interest from the moment he walked in, seems perturbed. She casts her gaze from the shoes, to Selina, and then back to Bruce, silently asking if she should ring them up. He offers her that well crafted playboy smile, designed to pacify and charm. "You heard the lady."

Once the shoes are wrapped up, he offers Selina his arm. The bag hangs in his other hand. No greeting. No explanation required. No apologies.