Supermodel Alessandra Ambrosio is a fetching Queen of Hearts in her Halloween Costume.

Supermodel Alessandra Ambrosio is a fetching Queen of Hearts in her Halloween Costume.

Halloween has always been a great time to see and be seen for all manner of Hollywood celebrities. So TheImproper dropped into a number of parties to check out the fabulous costumes of stars from the East Coast to the West Coast over the past week of festivities.

Nicole “Snooki” Polizzi and her “Jersey Shore” BFF Jennifer “Jwoww” Farley went for the royal treatment at the “Night Of The Living Drag” at New York City club Providence on Oct. 25.

The even was sponsored by party promoter Brandon Voss, MTV and LOGO TV, with Snooki and JWoww hosting. Some of the country’s top cross-dressers like Latrice Royale, Manila Luzon, Pandora Boxx and Phi Phi Ohara, were also there.

Celebrity Halloween Photo Extravaganza!
(Click Photos to Enlarge!)

Celebrities like Cindy Crawford, Victoria’s Secret Model Alessandra Ambrosio and actress Michelle Trachtenberg turned out for the Casamigos Halloween Party at the home of Mike Meldman on the same night in Beverly Hills.

The party was sponsored by Casamigos Tequila and was billed the “Dia De Los Muertos” Halloween party. Meldman is a partner in the liquor brand.

Spotted in the crowd were Brody Jenner, David Arquette, Derek Hough, Hillary Duff, Jeremy Piven, John Stamos, Kate Upton, Michelle Trachtenberg, Ryan Seacrest, Sascha Baron Cohen and Isla Fischer, Sean Penn, Stephanie Pratt, Tim Allen and Wayne Gretzky.

Former Disney teen queen Demi Lovato threw a Halloween party, turning her place into a House of Horrors.

Nothing like partying for a good cause; a number of celebrities were spotted at the UNICEF 1st Annual Masquerade Ball at The Masonic Lodge at Hollywood Forever on Oct 30. Spotted in the crowed were Zooey Daschanel, Michelle Trachtenberg and Catherine Littlefield.

The same night the party also got started at the All Hallow’s Eve party YouTube Space LA at YouTube Space LA. The evening included the premiere of spooktacular ‘Collaboween’ videos courtesy of BlackBoxTV and some cool videos from a number of YouTube chanels. Spotted in the crowd were Kate Walsh and Andrew Fogle.

And what would a celebrity Halloween night out be without a stop at the Playboy Mansion where sinners and saints (a few maybe) partied hard.

To keep things interesting, Playmates like Michelle McLaughlin, Kayla Collins Amanda Cerny and “Playmate of the Year” Raquel Pomplun romped in sexy costumes.

Check out their photos and be sure to follow TheImproper on Twitter for the latest celebrity news and gossip.

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