It’s almost Halloween and that means everyone is out shopping for the perfect costume for parties and trick or treating. Celebrities are just as into Halloween as everyone else and living in Hollywood means there are a lot of Halloween parties and events for them to attend. Many celebrities compete to see who can wear the sexiest, scariest or strangest costume of the year. Some go all out and wear elaborate costumes that costs thousands of dollars and others are just as scary without even wearing a costume.

Snooki, her fiancé Jionni Lavalle and their son Lorenzo decided to wear matching Halloween costumes and chose to go with a Wizard Of Oz theme. Snooki dressed as Dorothy, Jionni dresses as the scarecrow and baby Lorenzo looked adorable as the cowardly lion. Snooki’s costume was much tamer than it has been in previous years, but she was still able to look sexy and show off her new slim figure. She also dressed up with her pal JWOW.

Danny from the shore store hooked us up w/ these from Halloween megastore in fla pic.twitter.com/6GWelLUI5Y

— JWOWW (@JENNIWOWW) October 26, 2013

YOU GUYS. @Snooki's family Halloween costume is tooo cuuuute: http://t.co/7LTOd5rRSD via @UsWeekly

— Cosmopolitan (@Cosmopolitan) October 25, 2013

Several celebrities attended a Halloween party at the Playboy Mansion over the weekend and of course they were all dressed to the max. Paris Hilton decided to have some fun with her costume and chose to dress as Miley Cyrus, complete with Teddy Bear body suit, hair buns and a giant foam finger.

Last night at The Playboy Mansion…. 😉 http://t.co/mbSptYSGzI

— Paris Hilton (@ParisHilton) October 27, 2013

Some celebrities like to dress scary, like Sean Penn who wore a simple, yet scary mask. John Stamos dressed as a devil, but appeared more sexy than scary. Even Leonardo Dicaprio decided to wear a costume, and opted for a plain black caped number that hid his face. Fergie dressed as Elvira along with Josh Duhamel who went as Riff Raff.

Fright night 2013. #halloween #elvira #riffraff @joshduhamel @TheRealElvira http://t.co/uRK0FUwdgR pic.twitter.com/IQqgL4reqQ

— Fergie (@Fergie) October 27, 2013

Other celebrities decided to dress sweet and innocent. Martha Steward attended the HUB Halloween event in a pink dress as a good witch. Vanessa Hudgens dressed as an angel, Lauren Conrad transformed into a white fairy and Nikki Hilton became an innocent school nerd.

Not every celeb thought wisely about their costume. Julianne Hough dressed as Suzanne “Crazy Eyes” Warren from the hit show, Orange Is The New Black and found herself in some hot water. Because the character on the show is African American, Hough darkened her skin and hair in order to fit the part. While many thought the costume was creative, others saw it as a racist act. Hough later apologized for the costume.

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Halloween hasn’t officially arrived and it is likely we will see more celebrity costumes throughout the week.

Image from Pheed.