Halloween is one of the most fun times of the year. We get to dress up and pretend to be someone out of our wildest fantasies. We dress up like scary monsters, mythical creatures, or celebrities.

And some of us go all out for Halloween. We create elaborate costumes to make sure we look just our characters. One group of people who really know how to do Halloween is celebrities.

They take elaborate to the max. But sometimes celebrities dress up as each other. So you have celebrities dressing up as other celebrities.

Here Are 45+ Celebrities Dressing Up As Other Celebs For Halloween: