After seeing what our celebs wore in Halloweens past, we were certain they wouldn't disappoint this year. They celebrated at events and parties all over the country looking creepy and cute, spooky and sweet and some even looked dead. Take a look at our favorites and let us know what you dressed up as this Halloween.
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Nicole Richie makes a cute Jessie from Toy Story 3.
Brazilian model Alessandra Ambrosio was a sexy sailor for Halloween this year.
Miss Universe 2010 Ximena Navarrete went as a sexy solar system to AOL Presents Heidi Klum's 11th Annual Halloween Party at LAVO in New York on October 31.
Newlyweds Alexa Vega and Sean Covel reverse roles as Popeye and Olive Oil for Halloween in Austin, Texas.
Thalia looked so sweet as a cupcake before going to Heidi Klum's 11th Annual Halloween Party in New York City on October 31.
CSI:Miami star Eva La Rue dresses as a corpse bride for the 17th Annual Dream Halloween Party in Santa Monica on October 30.
Former beauty queen Susie Castillo went as a murdered Miss USA.
Two zombies (Jessica Alba and husband Cash Warren) head to the Die Antwoord show in Austin, Texas on October 31.
Nicole 'Snooki' Polizzi goes all green as Princess Pickle at Jet Nightclub inside The Mirage Hotel and Casino in Las Vegas on October 30.
Joel Madden as Dr. McSqueemy and his fiancé Nicole Richie as Margo Tenenbaum celebrate Halloween together.
Rocsi Diaz looked good in blue as an Avatar.
La La Vazquez hosted a halloween party in Denver, Colorado as Batgirl on October 31.
Modern Family's Rico Rodriguez and his sister, Raini, go as characters from Grease.
Glee star Naya Rivera went as a Miss Polly doll.