Celebs love playing dress up on Halloween, because it is the one night of the year that they can wear something completely outrageous and avoid landing on the Worst Dressed list -- until now!

Breaking Celebrity News has compiled photos of the best, worst and wackiest celebrity Halloween costumes of all times, in this fab -- and frightening -- fashion feature.

Heidi Klum is clearly the queen of Halloween.

The sexy supermodel hosts an annual star-studded costume party, where she always dominates with her intricate and creative costumes.

What's one of her wackiest looks of all times?

When the blonde babe and her hubby Seal got clever with their costumes, dressing up like a Hindu deity and Genghis Khan.

Heidi went all the way with her far - out fashion with multiple arms and cutoff heads attached to her blue bodysuit!

Check out Heidi Klum's craziest costume ever

Heidi and Seal aren't the only couple who trick-or-treat in matching a la mode.

Jessica Alba and Cash Warren hit the party circuit last year adorably attired as Dora the Explorer and her guy pal Diego.

See dressed up