He does indeed recognize Sara's outfit, and it definitely reminds him of how much it had sparked his imagination the first time. Following Sara's lead, he moves deeper into the room, still reeling, which he's thinking is a sensation that will last for a while.

When Natasha struts up to him, he can't help but stare, and then feel even more dumbfounded by the affection. He hasn't touched her in ages except to fight, so his world is rocking pretty significantly.

At her words, he turns to the women. "Please tell me there's some alcohol, because I think I'm going to need it."