1. Celebrities in Halloween costumes

Celebrities in Halloween costumes

Nick Cannon and wife Mariah Carey as cookies and milk.

2. Celebrities in Halloween costumes

Celebrities in Halloween costumes

Hugh Hefner and his wife, Crystal Harris, as Robin Thicke and Miley Cyrus.

3. Celebrities in Halloween costumes

Celebrities in Halloween costumes

JWoww and Snooki as the Queen of Hearts and the White Queen from Alice In Wonderland.

4. Celebrities in Halloween costumes

Celebrities in Halloween costumes

Chelsea Handler as a Pregnant Lady

5. Celebrities in Halloween costumes

Celebrities in Halloween costumes

Kelly Osbourne and Matthew Mosshart as Dame Edna and Blossom.

6. Celebrities in Halloween costumes

Celebrities in Halloween costumes

Paris Hilton as Miley Cyrus.

7. Celebrities in Halloween costumes

Celebrities in Halloween costumes

Fergie and Josh Duhamel as Elvira and Riff Raff from Rocky Horror Picture Show.

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