This year saw celebrities going all out for Halloween. While some of them attended parties as early as Oct. 29, some decided to honor the spooky season by sharing never-before-seen photos from previous celebrations.

Among the most epic Halloween looks fans couldn’t get enough of was that of Angelina Jolie, who rocked a giraffe onesie as she partied with her “Eternals” co-stars, including Gemma Chan and Richard Madden, in 2019. In honor of the holiday, Chan shared never-before-seen photos from a Halloween party they attended in 2019, while production on the Marvel film was still underway.

One of the photos shared by Chan showed Jolie dressed in an adorable giraffe onesie as she posed next to fellow cast member Lauren Ridloff. The actress reportedly threw the party in the Canary Islands before the pandemic, while “Eternals” was shooting on location.

Meanwhile, Kourtney Kardashian and Travis Barker sizzled for this year’s Halloween as they recreated looks from the 1993 film “True Romance.” Channeling Alabama Whitman and Clarence Worley, the newly engaged couple perfectly imitated the poster for the film, with Kardashian donning skin-tight hot pink leopard pants and a sheer blue off-the-shoulder top with a short blonde wig and bright red lipstick.

Barker, on the other hand, rocked a tropical printed button-down shirt matched with a bomber jacket and a pair of aviator glasses. Kardashian posted some of their candid shots on Instagram Sunday and even quoted a famous line from the Quentin Tarantino film.

“Amid the chaos of that day, when all I could hear was the thunder of gunshots, and all I could smell was the violence in the air, I look back and am amazed that my thoughts were so clear and true, that three words went through my mind endlessly, repeating themselves like a broken record: you’re so cool, you’re so cool, you’re so cool,” she wrote in the caption.

John Legend and Chrissy Teigen also stole everyone's attention at a Halloween party as they transformed into the Addams Family with their brood.

A video of the family shows Legend dressed as Gomez, Teigen as Morticia, Luna as Wednesday, and Vilailuck “Pepper” Teigen as Grandmama.

“Addams Family rehearsal going beautifully,” Legend noted as he posted the clip on his Instagram page.

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Angelina Jolie attends the premiere of Disney's "Dumbo" at El Capitan Theatre on March 11, 2019 in Los Angeles. Emma McIntyre/Getty Images