Christopher Pike + Leia Organa
It was thirty years of diplomacy and Starfleet training that kept his face neutral, despite the fact that her lips on his cheek made his hand tighten on her back and he wanted to pull her away right at this moment. However, he wasn't a horny teenager, but rather a distinguished starfleet officer. Regardless, a small smile graced his lips at her action.
"Keep that up and the cat will be completely out of the bag."