People.com's Halloween Party

Silly, Sexy, Cool : Star Halloween Costumes!

From Mariah's naughty firefighter to Kim's Wonder Woman, see how celebs reveal their alter egos

9 of 28

THE TODAY SHOW

Continuing their annual tradition of over-the-top costumes, the Today hosts – Meredith Vieira (from left), Matt Lauer, Ann Curry and Al Roker – dressed up as fairy-tale characters Pinocchio, Humpty Dumpty, Cinderella and the Gingerbread Man, respectively.

Boo! Hollywood's Real Ghost Hunters!

Boo! Hollywood's Real Ghost Hunters!

Is Leighton a fraidy-cat? Does Anna believe in ghosts? Find out who jumps at things that go bump in the night!

See Photos