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What better time to dress up than Halloween? Take a look at all these stars in their amazing fancy dress outfits.
Another Halloween, another amazing costume! Heidi Klum does it again dressed as a chic elderly lady.
The model and her musician husband co-ordinated their outfits for the annual Jonathan Ross' Halloween party.
We love those fangs!
The English actor opted for a Venetian cat mask this year.
How cute are Moroccan and Monroe? Picture: Instagram.
The American actress and her son go trick or treating in New York City.
We love Kelly's funny and cute outfit! 'I really hope I did @realDameEdna justice! What do you guys think?'. Yes you did! Picture: Kelly Osbourne Instagram
Siva and his girlfriend celebrate together. Picture: Twitter
Liam Payne from One Direction as Batman and swimming champion Tom Daley co-ordinate their outfits to celebrate Halloween. Picture: Splash
Leona Lewis channels the evil prom queen.
Rochelle Wiseman looks cute as well as scary in her outfit. Picture: Barcroft
Jessica dressed as a mummy on Halloween the year she was pregnant with her daughter Maxwell in 2011. See what she did there, mummy/mummy?
Siva Kaneswaran dressed as a vampire, Tom Parker as Leatherface, Max George as The Joker, Nathan Sykes as The Fly and James 'Jay' McGuiness as a character from Avatar. Pictures by LFiI/Photoshot
"Batmannnn and zombiee" Picture: Twitter
Brooke Shields dressed as Uncle Fester with her daughters Rowan Francis and Grier Hammond dressed as Morticia and Wednesday from the Addams Family. Top prize for costumes!
Pegg's face is scary! Good acting skills!
Mariah Carey takes advantage of Halloween to show off her sexy side.
We are not sure what Minnie Driver is dressed as but the face painting is pretty!
The Saturdays co-ordinate their Halloween outfits. Picture: Splash
Trust Heidi Klum to always wear the most imaginative costumes. Bravo!
Gwen Stefani hasn't tried very hard with this costume, but we forgive her: fancy dress is not for everyone.
Adam Levine does a cool and pouty Rambo.
We love Pink's clown outfit: cute and funny at the same time.
Jake Shears looks fabulous. Brilliant costume and he simply nails the scary expression.
We are slightly confused by Christina Aguilera's outfit but top marks to her boyfriend Matthew Rulter. Picture: Splash
Bey channels a bee. See what she did there? Picture: Rex Features
Fergie never misses a chance to show off her killer figure. Picture: Twitter
Katy Perry and friend Shannon Woodward are uncanny as Jane Lane and Daria from cult cartoon Daria. We love it! Picture: Twitter
We love Holly's mask, though it scares us a little. Brrrr!
Not the easiest outfit to move around in, but top marks to comedian Jack Whitehall on his outfit.
Even in fancy dress the American First Lady is always stunning.
We don't like having favourites, but when it comes to fancy dress Heidi Klum is the unquestionable winner!
Rande Gerber and his supermodel wife Cindy Crawford rock it out at Halloween.
The 'Gossip Girl' actress channels the spider look.
The actress and her husband go for typically interesting outfits.