Celebrities say and do plenty of ridiculous things, but you've got to do something extraordinarily bad to make it into the worst WTF moments of 2012 category.

Whether it's proudly spewing racist or sexist comments, engaging in behavior that would get most people fired in two seconds, or just displaying a total lack of shame, some celebrities behaved in ways that have us giving them some serious side eye. And since most don't seem to have learned from the experience, let us do the facepalm for them.

Check out our roundup of the 15 biggest celebrity facepalm moments of 2012!