He could tell there were still people watching them, old habits die hard and he couldn't help scanning the area now and then. Most were curious or outright leering, one lady seemed almost angry. But if anything it just spurred him on more, his possessiveness coming to the surface a bit.
"I'll take that challenge." He smirked, leaning in to kiss her, one hand resting on the middle of her back. He waited until they fell in to the kiss, humming against her mouth, before sliding his fingers a little bit higher, finding one of the ties on her top. Then, as he sat back after another peck, he tugged it, pulling the knot undone.