The most daring Halloween costumes celebrities have worn this year, so far

• Celebrities famously go all out when they choose their costumes for Halloween.
• These are some of the most daring looks that celebrities chose this year, so far.

Even though Halloween hasn't happened yet, the last two weeks have been filled with costume parties packed with celebrities trying out some of their most daring looks to date.

Some famous couples went with matching costumes, while others chose to match with friends, like the cast of "Selling Sunset."

Here are some of the most jaw-dropping costumes we saw celebrities wearing this spooky season.

Kelsea Ballerini dressed up as Margot Robbie's version of Barbie from this year's biggest box-office hit, "Barbie."

Kelsea Ballerini attends a Halloween party on Wednesday.      Dimitrios Kambouris/Getty Images for The Original Donut Shop Coffee

Victoria Justice channeled Cher from the "If I Could Turn Back Time" music video.

Victoria Justice attends the annual Casamigos Halloween Party on Friday.      Michael Kovac/Getty Images for Casamigos

Paris Hilton's first Halloween costume this year was a recreation of Britney Spears' flight-attendant look in the "Toxic" music video.

Paris Hilton is seen at the annual Casamigos Halloween party on Friday.      Rachpoot/Bauer-Griffin/GC Images/Getty Images

The next day, she dressed up as Katy Perry from her Las Vegas residency, "Play."

Paris Hilton is seen arriving to Vas Morgan and Michael Braun's Halloween Party on Saturday.      Rachpoot/Bauer-Griffin/GC Images/Getty Images

Megan Fox and Machine Gun Kelly dressed up as Gogo Yubari and and The Bride from "Kill Bill," apparently taking shots at SAG-AFTRA's rule against members dressing up as characters from struck work.

Megan Fox and Machine Gun Kelly attend the annual Casamigos Halloween Party.      Michael Kovac/Getty Images for Casamigos

Source: Instagram, Insider

Demi Lovato wore a more low-cut version of Snow White's famous dress.

Demi Lovato is seen arriving to Vas Morgan and Michael Braun's Halloween Party on Saturday.      Rachpoot/Bauer-Griffin/GC Images/Getty Images

Kate Beckinsale channeled the titular character from the '60s cult classic "Barbarella," originally played by Jane Fonda.

Kate Beckinsale is seen arriving to Vas Morgan and Michael Braun's Halloween Party.      Rachpoot/Bauer-Griffin/GC Images/Getty Images

Halsey bared her abs in this siren costume. Her partner, Avan Jogia, wore a pirate costume.

Halsey is seen arriving to Vas Morgan and Michael Braun's Halloween Party.      Rachpoot/Bauer-Griffin/GC Images/Getty Images

Chelsea Lazkani, Emma Hernan, and Chrishell Stause of "Selling Sunset" dressed as the components of the popular game "F---, Marry, Kill."

Chelsea Lazkani, Emma Hernan, and Chrishell Stause at the Casamigos Halloween Party.      Rachpoot/Bauer-Griffin/GC Images/Getty Images

Lazkani also attended a Halloween party dressed as Poison Ivy, one of Batman's most famous villains.

Chelsea Lazkani at Vas Morgan and Michael Braun's Halloween Party.      Rachpoot/Bauer-Griffin/Getty Images

In her own words, Alessandra Ambrosio was a "gold goddess."

Alessandra Ambrosio attends the annual Casamigos Halloween Party.      Michael Kovac/Getty Images for Casamigos

Source: Instagram

Sabrina Carpenter used audio of Rapunzel in "Tangled" when she posted about her costume on TikTok, calling herself a "vague ambiguous long haired princess."

Sabrina Carpenter at Vas Morgan and Michael Braun's Halloween Party.      Rachpoot/Bauer-Griffin/GC Images/Getty Images

Source: TikTok

Justin and Hailey Bieber attended a party dressed as Bamm-Bamm Rubble and Pebbles Flintstone from "The Flintstones."

Justin Bieber and Hailey Bieber at Vas Morgan and Michael Braun's Halloween Party.      Rachpoot/Bauer-Griffin/Getty Images

Actress Charlotte McKinney channeled Mia Wallace from "Pulp Fiction," as played by Uma Thurman.

Charlotte McKinney attends the annual Casamigos Halloween Party.      Michael Kovac/Getty Images for Casamigos

Josie Canseco, right, and friend Scarlett Leithold, left, did their best Chucky and Bride of Chucky impressions for a party.

Scarlett Leithold and Josie Canseco attend the annual Casamigos Halloween Party.      Matt Winkelmeyer/Getty Images for Casamigos

Caylee Cowan, a model and Casey Affleck's girlfriend, wore a revealing micro miniskirt and bra top as part of her cave-woman costume.

Caylee Cowan is seen attending Vas Morgan and Michael Braun's Halloween Party.      Rachpoot/Bauer-Griffin/GC Images/Getty Images

April Love Geary wore a cowgirl costume, while her partner, Robin Thicke, opted for a silver suit with no shirt.

April Love Geary and Robin Thicke attend the annual Casamigos Halloween Party.      Michael Kovac/Getty Images for Casamigos