Billie Eilish Dresses as Cowgirl for Kendall Jenner’s Halloween Party in Los Angeles

Billie Eilish is having a good Halloween!

The 21-year-old singer nailed the spooky season with a fun cowgirl costume for this year’s bash, and was photographed wearing the outfit while attending Kendall Jenner’s Halloween party at the Chateau Marmont on Saturday.

The singer, who was at the party with her pal, Devon Lee Carlson, wore a red wig, cowboy hat and had a fake shotgun and gun belt to give her costume an extra touch of the wild wild west. Eilish’s fun look also included a blue and white gingham blouse, brown trousers and a brown belt.

In addition to partying with Channing Tatum and Zoë Kravitz, Megan Fox and Machine Gun Kelly, Eilish shared a fun video on her Instagram Story that looked like it was taken on her way home from a party.

Billie Eilish, who dressed up as Cowgirl and Devon Lee Carlson at Kendall Jenner’s Halloween party at the Chateau Marmont in Los Angeles.

ALEXJR / BACKGRID

In the clip, the singer was sitting in a car taking a selfie video while wearing her costume. Backlit by her camera, Eilish smiled before turning the camera around to show her friends, then back to herself making a funny face.

“When you get sick in a car with two b—–s with emetophobia,” she wrote in the caption, adding “ruh roh.”

According to the Cleveland Clinic, emetophobia is “the fear of retching or throwing up.”

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Last year, Eilish’s Halloween costume was an eyebrow-raising nod to the age difference between her and then-boyfriend Jesse Rutherford. (A rep confirmed their split to PEOPLE in May.)

Then the “Happier Than Ever” singer shared a photo of herself dressed as a baby and Rutherford dressed as an old man. The singer of the group Neighborhood was 31 years old, and Eilish was 20 years old.

Eilish recently made headlines after debuting a massive tattoo on her back on social media. She previously teased the oversized ink, but on Oct. 18, she revealed the full artwork.

Billie Eilish Says She’s Still Struggling With Fame: ‘Most Days I Have Feelings of Doom’

The photo appears to have been taken during the tattooing process just after the black ink outline was finished. (In an earlier photo she shared, the tattoo was completely filled in.)

The tattoo, which stretches from the nape of her neck to her lower back, was done by tattoo artist Matias Milan, according to her earlier post.

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Source: HIS Education