Han smirks and leans in, "Get your head out of the gutter, Leia. We're at a party, remember?"
With that, he grabs her hand and spins her around a couple times, probably a little faster than would be best, but not too far away from the little space they have at the edge of the dancefloor. Pulling her back is a little awkward with the issue of momentum, though, and he nearly drops her when he goes in for a dip that turns out about as graceless as a dip can be.