Some footage of The Killer Inside Me, a movie to released in 2010 starring Jessica Alba and Casey Affleck has been leaked onto the net.

What has made the footage an online sensation is that it features a scene where Alba gets her naked ass spanked by Afleck before the two settle in for some sex and a bit of post-fornication cuddling that shows Alba in some hot lingerie and a cowboy hat.

Check it out while you can, because the clip has already been removed from many of the sites where it was posted.

For now, you can see the full Jessica Alba spanking clip by clicking here.