Celebrity Halloween costumes

As expected, Heidi Klum outdid herself transforming into perhaps an older version of herself at her 13th annual Halloween party in New York.

Dressed as Marilyn Monroe at Heidi Klum's 13th annual Halloween party in New York.

The Australian model dressed as Disney Princess Jasmine at Heidi Klum's 13th annual Halloween party in New York.

Dressed as Miley Cyrus and Robin Thicke at Heidi Klum's 13th annual Halloween party in New York.

Dressed as the Queen of Hearts at the Casamigos Halloween Party in Los Angeles.

At the Casamigos Halloween Party in Los Angeles.

At the Casamigos Halloween Party in Los Angeles.

At the Casamigos Halloween Party in Los Angeles.

The actresses opted for matching fisherman costumes as they went trick or treating with Sandra Bullock's son Louis.

Dressed as the black swan at the UNICEF Halloween Ball in Mayfair.

At the UNICEF Halloween Ball in Mayfair.

The style icon shows how the fashion pack dress for Halloween, at the UNICEF Halloween Ball in Mayfair.

At the UNICEF Halloween Ball in Mayfair.

At the UNICEF Halloween Ball in Mayfair.

Dressed as a Leprechaun in Los Angeles.

Out trick or treating with her son in New York.

At Jonathan Ross's Halloween Party in London.

At Jonathan Ross's Halloween Party in London.

In a cat-look at Jonathan Ross's Halloween Party in London.

At Jonathan Ross's Halloween Party in London.

At Jonathan Ross's Halloween Party in London.

At Jonathan Ross's Halloween Party in London.

The model dressed as a witch at the UNICEF Halloween Ball in Mayfair.

Though not far from her daily attire, the star dressed as a geisha on Halloween.

At her 'Hulaween' gala in New York.

With husband David Shaw at Bette Midler's 'Hulaween' gala in New York.

Kate Moss and Jamie Hince arrive at Jonathan Ross' Halloween Party at his home in Hampstead.

Gwen Stefani dressed as Sandy from Grease at Jonathan Ross' Halloween Party at his home in Hampstead.

Alison Mosshart wore leopard print to Jonathan Ross' Halloween Party at his home in Hampstead.

Debra Messing dressed as Marie Antionette to Bette Midler's Annual Restoration Project Hulaween Ball, New York.

Dita Von Teese went for an androgynous look at Bette Midler's Annual Restoration Project Hulaween Ball, New York.

Bette Midler as Coco Chanel's corpse and Debbie Harry as a showgirl at Bette Midler's Annual Restoration Project Hulaween Ball, New York.

Fashion designer Michael Kors went for gallic chic at Bette Midler's Annual Restoration Project Hulaween Ball, New York.

Kim Kardashian goes as a mermaid (with a £2,000 wig) to a Halloween party in 2012.

Stacey Keibler hosted a Halloween masquerade ball in this elegant ensemble.

Christina Aguilera and boyfriend Matthew Rutler strike a pose in their Halloween attire.

Marina Diamandis dresses in head-to-toe black for Halloween.

Heidi Klum gave fans a sneak preview of her gold Cleopatra outfit before Halloween itself.

Alexa Chung makes a wonderly macabre murder victim, in October 2008.

Heidi Klum delves into Indian mythology for inspiration, dressing up as a Hindu goddess for her annual Halloween bash in 2008.

In 2006, Heidi opts for a serpent apple theme.

And in 2007, Ms Klum goes more traditional as a black cat - but a very cute one, at that.

A giant crow is the costume du jour for Heidi in 2009.

It's a marked contrast to Heidi's 2010 costume choice - this fantastically bling and futuristic robot attire.

A skeleton attaches itself for Heidi's 2004 Halloween garb.

Halloween 2003 and it's all about golden space aliens for Heidi.

In October 2002, Heidi is barely recognisable as Betty Boob.

A horse is just the accessory Heidi needs as Lady Godiva for Halloween 2001.

This lady really does love dressing up...

Moving onto other stars now and Liv Tyler turns catwoman with her son Milo for Halloween 2010.

Halloween 2007 sees Liv masquerade as an Indian princess - alongside her moustached friend.

It's skeletons for Christina Aguilera and her son Max in October 2009.

A guest at Bette Midler's Annual Restoration Project Hulaween Ball in 2008 does a scarily good impression of Sarah Palin.

Bette Midler herself goes as a blood-spattered (and suicidal) chef.

Mariah Carey and husband Nick Cannon are suitably decked out for their fire-fighter-inspired Halloween party in 2008.

Kate Beckinsale has invested in a serious wig alongside her monster husband Len Wiseman in October 2010.

Disney is the way forward for Teri Hatcher and daughter Emerson Rose for Halloween 2007.

Halloween 2008 and Pink plumps for a clown theme.

Lauren Conrad's 20-inspired Halloween effort is chic rather than grotesque, in 2008.

La Toya Jackson seems rather pleased with her futuristic effort for Halloween 2009.

Model Petra Nemcova is Cleopatra for Roberto Cavalli's Halloween party (where else?) in 2007.

Will Smith's wife Jada Pinkett Smith is superwoman for a 2008 Halloween benefit.

American Pie actress Alyson Hannigan goes as Raggedy Ann along with husband Alexis Denisof and daughter Satyana in October 2010.

Annie Leibowitz is a skeleton for a spot of trick or treating with her daughter in 2008.

Pixie Geldof is all about inflatable chains and smoky eyes for Halloween 2009.

Supermodel Ben Grimes is a gothic bride in October 2009.

Kelly Osbourne and her then boyfriend Luke Worrall make like eggs and bacon for Halloween 2009.

Tori Spelling is a fairy princess in October 2009.

Perez Hilton dons a Gaga-esque wig for a 2009 Halloween party.

Michelle Trachtenberg is beauty queen supreme for Halloween 2010.

2009 sees the Gossip Girl star in period drama attire.

Fashion designer Christian Siriano's Halloween costume definitely stands out from the crowd, in 2010.

Jamie Lee Curtis is a cheerleader through and through in October 2010.

Kim Kardashian goes sultry red riding hood for Halloween 2010.