L'Arnacoeur, with Vanessa Paradis and Romain Duris
This scene in The Heartbreaker makes me so happy. The film is cute, but this is definitely the clincher. In fact, I wasn't a huge Romain Duris fan until I saw it. I hope you like it too. New Year's resolution : dance more, especially with my kids (though perhaps not this dance). My mom used to dance with me all the time. If you are in Paris you can dance like this too. My Little Paris has the info here.