It's a bit too late for Valentines Day, but here's a picture of a male and female Siromis. Siromese lightly press their faces together as a display of affection, very much like kissing. Although it looks like their bells would get in the way, they actually manage to reach each other surprisingly easily.

For info on what a Siromis is: https://www.weasyl.com/~oddymcstrange/submissions/1797493/alien-species-summary-siromis