Happy International Kissing Day! In honor of the holiday, we're celebrating by locking lips with the special someone in our lives, and getting inspired by our favorite films. We're counting down the most iconic kisses in cinematic history. From sexy to sweet and everything in between, these lip smacking scenes are bound to make you swoon. So, before puckering up to your S.O., why not take some tips from the celebs who did it best by clicking through to see the most unforgettable on-screen smooches!

[Photo via Gone With the Wind]