From Demi Lovato transforming into “Poot” to Janelle Monáe as The Cat in the Hat—these are all the best celebrity Halloween ...

"It"s Time!" Mariah Carey is officially defrosted and ready to get the holiday party started with a Vegas residency and ...

Over the years, we've seen some legendary celebrity Halloween costumes like Paris Hilton's Britney Spears or Emily Ratajowski's Marge Simpson. This year is no different, let's take a look at some of ...

Heidi Klum, Mark Zuckerberg and Jonathan Ross among the stars who dressed up on the spookiest night of the year ...