Sophie Turner, Heidi Klum, Jessica Biel and other celebrities have posted on Instagram photos and videos of their various Halloween costumes.

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Turner uploaded a photo of herself as Morticia Addams from "The Addams Family" alongside her fiance Joe Jonas as Gomez Addams.

The "Game of Thrones" star also included a black and white video of herself and Jonas walking towards the camera as the classic "Addams Family" theme song played in the background.

Turner channels Morticia as she cuts roses while Jonas stays in character by enjoying a cigar, with Thing on his shoulder.

Klum, known for going all out on Halloween, released multiple videos of herself in the makeup chair as she prepared to appear as Fiona from "Shrek."

Klum donned prosthetics and tons of green makeup in order to look like Fiona while her boyfriend Tom Kaulitz dressed up as Shrek.

Biel spent Halloween with her husband Justin Timberlake and their 3-year-old son Silas. The family had on matching "Lego Batman" costumes with Biel dressing up as Harley Quinn, Timberlake as Robin and Silas as Batman.

The costumes were detailed, giving each family member blocky legs and a square body.

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"This Halloween was one hell of a block party! Happy Halloween from our LEGO family to yours," Biel said.

Other celebrities who posted Halloween photos on social media included Ashley Graham, Olivia Munn, Jessica Simpson, Kristen Bell, Kim Kardashian, Kylie Jenner, Kourtney Kardashian, Mindy Kaling, Josh Gad, John Legend and Chrissy Teigen.

Graham dressed up as Jennifer Lopez for the holiday, posting a video of herself singing Lopez's "Love Don't Cost a Thing" while wearing a white tank-top and white jeans.

Munn, meanwhile, had two Halloween costumes including one as comedian Ali Wong and another as Awkwafina's character from "Crazy Rich Asians," Goh Peik Lin.

Munn's Wong impersonation was based on the Netflix stand-up special "Hard Knock Wife" where Wong was pregnant and wearing a leopard print outfit.

Simpson transformed herself into Danny DeVito from "Twins" and matched with her husband Eric Johnson who appeared as Arnold Schwarzenegger's character from the same movie.

Kim Kardashian, on Twitter, posted a video of herself dressed up as Pamela Anderson, alongside her friend Jonathan Cheban who dressed as Tommy Lee.

Kylie Jenner donned multiple costumes, including one as Barbie and another as a Fanta girl.

Kourtney Kardashian's dressed as Ariana Grande, with the reality star wearing a pink dress, hair extensions and long boots in order to mimic the singer.

Kourtney also held a microphone to complete the outfit. "God is a woman," she said in reference to one of Grande's songs alongside a photo.

The Kardashian-Jenner sisters also did a group costume and dressed as Victoria's Secret Angels.

Kaling for Halloween, dressed up as a bottle of mustard while her 10-month-old daughter Katherine was a baby lion.

Gad, on Twitter, paid homage to "Game of Thrones" by outfitting himself as central character Jon Snow. "His Jewish cousin, Jonathan Snow," Gad captioned an image of himself.

Legend and Teigen went royal as the married couple dressed up as Queen Elizabeth and Prince Philip.

Photo credit: Sophie Turner/Instagram