More from CafeMom: 25 Best Pregnancy Halloween Costumes
From the costumes that made Internet news, to the outfits that had you texting your friends with "What we're they thinking?!?!" -- celebrities can get it so wrong that it's offensive.
Celebrities, here are some helpful tips from us to you:
1) If your costume trivializes a race, religion, or ethnicity -- don't do it.
2) If you sort of question if it's in good taste -- don't do it.
3) If you have looked at our celebrity controversial costume list and still think that "Cowboys and Indians" is a good idea ... come on now.
Here are 15 celebrity Halloween costumes that are so inappropriate, they're sure to make you cringe. Let's make a pact to do better this year, okay?