Glee star Darren Criss opted for a full Shrek transformation complete with prosthetic nose and padded stomach, while his wife Mia Swier dressed as Puss in Boots. Olympian Ilona Maher embodied vintage ...

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

From the meta to the silly to the truly transformative, these celeb looks will surely inspire next year's Halloween ...