© Getty Images

Heidi Klum -

An old (and very believable) Heidi Klum hosts her 14th Annual Halloween Party, in New York City, back in 2013.

© Getty Images

Khloé and Kim Kardashian -

Khloé and Kim attend the Pur Jeans Halloween Bash at STK, back in 2008 in Los Angeles. We think Khloé would agree this is several faces ago! 

© Getty Images

Paris Hilton -

Is that some sort of exotic owl top she's wearing? But then she has furry ears... go figure? Paris Hilton at the Casamigos Halloween Party on October 26, 2018, in Beverly Hills.

© Getty Images

Gigi Hadid -

Gigi Hadid got chills, and they were multiplying, at Heidi Klum's Halloween Party in 2015.

© Getty Images

Rande Gerber, Cindy Crawford, and George Clooney -

We wouldn't mind catching a plane with this crew onboard. The picture was taken at the Casamigos & CATCH Halloween party in Las Vegas.

© Getty Images

Tom Kaulitz and Heidi Klum -

Hubby Tom Kaulitz and Heidi Klum pull on the perfect Shrek costumes at Heidi Klum's 19th Annual Halloween Party in 2018, in New York City.

© Getty Images

Kim Kardashian and Kanye West -

Kimye as Batman and Catwoman at Kim Kardashian's Halloween in Miami Beach, Florida, in 2012.

© Getty Images

Zoë Kravitz -

When you're a famous vampire, you step out of bed, and head straight to the Casamigos Halloween Party in Beverly Hills.

© Getty Images

Kendall Jenner -

A very blonde Kendall Jenner attends Casamigos Halloween party on October 27, 2018 in Las Vegas. She's channeling the Fembots from the 'Austin Powers' films.

© Getty Images

The Weeknd and Bella Hadid -

The singer and the model as 'Beetlejuice' characters at Heidi Klum's 19th Annual Halloween Party in 2018.

© Getty Images

 Heidi Klum -

You can't get better than this. Heidi Klum hosts her 13th Annual Halloween Party in 2012, dressed up for the occasion!

© Getty Images

Rihanna -

RiRi is seen leaving Annabel's Halloween Party in London, England. Maybe she realized her costume wasn't that great?

© Getty Images

Taylor Swift -

The singer wears a unicorn/pegasus costume to 'The Elvis Duran Z100 Morning Show' at Z100 Studio on October 31, 2014, in New York City.

© Getty Images

Heidi Klum -

Heidi Klum as the forbidden fruit from the Adam and Eve story of the Bible. How creative is she?

© Getty Images

Jennifer Lopez -

J.Lo looking spookingly gorgeous at Heidi Klum's Halloween Party on October 31, 2015, in New York City.  

© Getty Images

Sarah Hyland -

The 'Modern Family' star attends Just Jared's 7th Annual Halloween Party in LA, dressed as a taco!

© Getty Images

Bruce Willis and Stephen J. Eads -

The twins from 'The Shining' have never looked so terrifying! Willis and assistant Stephen J. Eads at film director M. Night Shyamalan's Halloween party "Shyamaween" in Philadelphia, Pennsylvania.

© Getty Images

Jamie Lee Curtis -

The actress in all her cheerleader glory being held by Beetlejuice, Dracula, and Frankenstein's monster, at the Children Affected By AIDS Foundation's 17th Annual Dream Halloween event in Santa Monica, California.

© Getty Images

Rita Ora -

Throwing us back to 'Legally Blonde,' Rita Ora attends a party in London, England.

© Getty Images

Samuel L. Jackson -

Maybe the actor dressed as a Catholic cardinal to show repent for his use of foul language? Here he is arriving at M. Night Shyamalan's Halloween party "Shyamaween" in 2017.

© Getty Images

Heidi Klum -

The model arrives in style, riding a horse as Lady Godiva, at her Annual Halloween Party in New York City, back in 2001.

© Getty Images

Jason Biggs -

Dorothy arrived from Oz and went straight to Heidi Klum's Annual Halloween Party at Happy Valley in New York City.

© Getty Images

Bette Midler -

Bette  Midler at a Halloween event benefiting the New York Restoration Project at Cathedral of St. John the Divine.

© Getty Images

Janet Jackson -

Janet Jackson doing her best Zorro at the 2010 Halloween Extravaganza at Lanvin Boutique in New York City.

© Getty Images

Fergie -

Fergie paying homage to 'Toddlers & Tiaras' at Heidi Klum's 12th Annual Halloween Party in New York City.

© Getty Images

Lewis Hamilton -

The British racing driver is seen arriving at Heidi Klum's 17th Annual Halloween Party in 2016, in a remarkable Joker costume.

© Getty Images

Sarah Michelle Gellar -

The actress as Harley Quinn at Jessica and Jerry Seinfeld's GOOD + Halloween Bash at Sony Pictures Studios in 2018, in Culver City, California.

© Getty Images

Adam Lambert -

A very devilish Adam Lambert attends Just Jared's 7th Annual Halloween Party at Goya Studios in Los Angeles.

© Getty Images

John Legend and Chrissy Teigen -

Cultural appropriation? You decide. The couple at the Pur Jeans Halloween Bash at STK on October 31, 2008, in Los Angeles.

© Getty Images

Lupita Nyong'o -

The Oscar-winning actress as Dionne from 'Clueless,' at Heidi Klum's 19th Annual Halloween Party on October 31, 2018, in New York City.

© Getty Images

Nick Jonas -

We bet he can do better than this lazy Hamburglar at the Maxim Halloween Party in Los Angeles.

© Getty Images

Diddy -

Who needs a chariot when you have a Rolls Royce? The rapper at Mariah Carey's Halloween party on October 31, 2004, in New York City.

© Getty Images

Adam Levine and Anne V -

The former couple attend Bacardi and Maroon 5's Annual Halloween Bash in Hollywood as Axl Rose and a bride. Perhaps inspired by Guns N' Roses' 'November Rain' video?

© Getty Images

Heidi Klum -

This is actually basic for what Heidi Klum has accustomed us to. The model at her 8th Annual Halloween Party in Los Angeles.

© Getty Images

Jordyn Blum and Dave Grohl -

The couple looking spooky at the Casamigos Halloween Party on October 26, 2018, in Beverly Hills.

© Getty Images

Neil Patrick Harris and David Burtka -

The couple looking quite creepy as the Olsen twins at Heidi Klum's 20th Annual Halloween Party on October 31, 2019, in New York City.

© Getty Images

Lindsay Lohan -

A mask and bit of fake blood? It looks like the actress didn't put much effort into her costume. The picture was taken at The Cuckoo Club Halloween party on October 28, 2015, in London, England.

© Getty Images

Kyle MacLachlan -

The actor embodies a golfer's worst nightmare at Heidi Klum's Halloween Party in 2007, in Hollywood, California.

© Getty Images

Julia Carey and James Corden -

The couple with somewhat basic costumes at the Casamigos Halloween Party in 2016, in Beverly Hills.

© Getty Images

Pink -

The singer knows how clowns can be scary. Here she is dressed as one, at Heidi Klum's 9th Annual Halloween Party in 2008.

© Getty Images

Kris Jenner -

The reality TV star attends her daughter Kim Kardashian's Halloween Masquerade in 2008, in Los Angeles.

© Getty Images

Joe Jonas -

Joe Jonas attends the Just Jared Halloween Party in 2015 in LA, looking straight out of the Winter Olympics (several decades ago...).

© Getty Images

Lily Allen -

Can we just call her Lily Alien? The singer attends UNICEF UK's Halloween ball, hosted by Jemima Khan in 2013, in London, England.

© Getty Images