Couples Costume Inspiration: Justin and Hailey Bieber, Megan Fox, Machine Gun Kelly, and More!

Justin Bieber and Hailey Bieber, along with Megan Fox and Machine Gun Kelly, are showcasing the joys of having a partner for Halloween! The couple, aged 29 and 26 respectively, attended Vas Morgan and Michael Braun's Halloween gathering on October 28th, sporting coordinated Flintstones costumes. Hailey looked stunning in a vinyl dress resembling Pebbles' attire, complete with a fiery red wig. Justin, on the other hand, embraced the character of Bamm-Bamm with a furry loincloth and a matching baseball cap.

37-year-old Fox and her 33-year-old fiancé, Kelly, spiced up their Halloweekend with a series of coordinated costumes. Kicking things off on Friday, October 27, the couple attended the Casamigos party dressed as characters from Kill Bill. Fox effortlessly channeled Gogo Yubari, while Kelly paid tribute to The Bride.

Continuing their festive streak, the following night saw Fox and Kelly dazzling at Morgan and Braun's extravagant celebration as characters from Death Note. Kelly embraced the role of Ryuk, while his lovely fiancée transformed into Light Yagami.

Keep scrolling to see how Hollywood A-listers coordinated with their better halves on Halloween:

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Justin and Hailey Bieber, Megan Fox and Machine Gun Kelly and More Are Couples Costume Goals

Justin Bieber and Hailey Bieber, along with Megan Fox and Machine Gun Kelly, are showing that Halloween is more enjoyable when you have a partner. The couple, Justin (29) and Hailey (26), made an appearance at a Halloween party hosted by Vas Morgan and Michael Braun on Saturday, October 28th. They were seen wearing coordinated Flintstones costumes. Hailey looked stunning in a vinyl dress that resembled Pebbles' iconic outfit, complemented by a red wig. Justin, on the other hand, dressed up as Bamm-Bamm in a furry loincloth and a baseball cap that matched his attire.

Fox, aged 37, and Kelly, aged 33, sported several coordinating outfits during Halloweekend. Their initial appearance was at the Casamigos party on Friday, October 27, where they effortlessly portrayed characters from Kill Bill. Fox elegantly channeled Gogo Yubari, while the rapper paid tribute to The Bride.

Continuing their streak, the following night Fox and Kelly made a striking entrance at Morgan and Braun's gathering as characters from Death Note. Kelly seamlessly transformed into Ryuk, while his beloved fiancée flawlessly embodied the role of Light Yagami.

Keep scrolling to see how Hollywood A-listers coordinated with their better halves on Halloween:

Credit: Michael Kovac/Getty Images for Casamigos

Austin Butler and Kaia Gerber

Butler and Gerber playfully teased their 10-year age difference by sporting costumes inspired by Andy Warhol and Edie Sedgwick. (The couple famously crossed paths when Warhol, 36, encountered Sedgwick, 21.)

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Justin and Hailey Bieber

Hailey completed her ensemble with her signature “B” diamond pendant, a tribute to her married name.

Credit: Rachpoot/Bauer-Griffin/GC Images

Shaun White and Nina Dobrev and Miles and Keleigh Teller

On Saturday, White and Dobrev transformed into members of Guns N' Roses. Meanwhile, Miles and his spouse sported matching mustached face masks, complementing their unique ensembles.

Credit: Rachpoot/Bauer-Griffin/GC Images

Megan Fox and Machine Gun Kelly

Fox and Kelly recently “stalled” their wedding plans following a February argument, a source told We earlier this month.

Credit: Rachpoot/Bauer-Griffin/GC Images

Paul Wesley and Natalie Kuckenburg

Wesley and his girlfriend both opted for brown-colored looks, with the actor wearing vintage Delco jacket and Kuckenburg sporting a leopard-print one-piece.

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Kelly Ripa and Mark Consuelos

Ripa and Consuelos, whose father is from Mexico, paid homage to the Mexican holiday Day of the Dead with intricate face makeup. 

Credit: Matt Winkelmeyer/Getty Images for Casamigos

Jenna Dewan and Steve Kazee

The engaged couple donned their best Edward Scissorhands getups.

Credit: Michael Kovac/Getty Images for Casamigos

Cindy Crawford and Rande Gerber

Crawford enlisted her husband to be the Danny to her Sandy, based on the Grease characters.

Credit: Courtesy of Camila Mendes/Instagram

Camila Mendes and Rudy Mancuso

The Riverdale alum and boyfriend Mancuso coordinated as video game characters Mario and Luigi.

Credit: Michael Kovac/Getty Images for Casamigos

Sarah Hyland and Wells Adams

Adams went as a Boston Bruins hockey player for the Casamigos party. His wife, Hyland, was his No. 1 fan.

Credit: Courtesy of Rachel Lindsay/Instagram

Rachel Lindsay and Bryan Abasolo

Abasolo dressed up as LL Cool J, with Lindsay recreating the rapper’s “Around The Way Girl” lyrics.