Sasha and Malia Obama dress in Western apparel for Billie Eilish’s star-studded Halloween party in Hollywood

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Sasha and Malia Obama dressed for the Wild Wild West while at Billie Eilish’s star-studded Halloween party in Hollywood on Saturday night.

For the night on the town, Malia, 26, opted for a modern twist on Western apparel with a denim mini-skirt, a white tank top and thigh-high leather boots.

She styled the look with a black cowboy hat, a faux snake around her neck and a white bandage on her hand. The Harvard grad also appeared to rock a fake tattoo around her left bicep.

Sasha and Malia Obama attended Billie Eilish’s Halloween party in Hollywood on Saturday night. Roger / BACKGRID Malia — who is Barack and Michelle Obama’s eldest daughter — wore a denim skirt and white tank top for the event. She styled the look with black boots and a cowboy hat. Roger / BACKGRID Sasha opted for a more subtle Western vibe, wearing a blue top complete with striped mini shorts. She tied the number together with brown leather boots and a black trench coat. Roger / BACKGRID

Meanwhile, her sister, Sasha, 23, dressed up in a much more subtle Western-themed costume.

The youngest of Barack and Michelle Obama’s daughters wore a blue top, striped mini shorts and brown leather boots.

The University of Southern California grad bundled up with a long black leather trench coat and accessorized with a belt and brown purse.

The famous siblings also hit up the Birds Street Club in West Hollywood, per the Daily Mail. Roger / BACKGRID Per reports, other A-listers at the party included Kaia Gerber, rapper The Kid LAROI and actress Kiernan Shipka. Star City/INSTARimages

At another point in the evening, Malia was photographed smiling in the back of an SUV en route to the Birds Street Club in West Hollywood, according to the Daily Mail.

Many other A-listers were in attendance at the “Bad Guy” hitmaker’s party, including model Kaia Gerber, rapper The Kid LAROI and actress Kiernan Shipka.

Eilish’s brother, Finneas, and his girlfriend, Claudia Sulewski, were also there, per Just Jared.

The other celebs also kept their costumes subtle, with The Kid LAROI, 21, wearing a gray hooded sweatshirt and black trousers.

Meanwhile, Shipka, 24 wore a white long-sleeved dress with matching white socks and black Mary Jane heels.

Malia, seen above with a friend in 2023, and Sasha were recently spotted at the Charli XCX concert on Oct. 16. TheImageDirect.com Malia, seen above on Oct. 18, wore a gray halter top, a denim skirt and black tights to the show. TheImageDirect.com

The Obama sisters’ recent outing comes nearly two weeks after they attended the Charli XCX concert in Los Angeles.

In pics obtained by E! News, Sasha wore a long-sleeve graphic shirt and denim pants during the music event on Oct. 16. She styled the look with black leather boots, an oversized belt and bracelets.

Malia, for her part, wore a gray halter top, a denim skirt and black tights. Similarly to her sibling, she also rocked black leather boots for the Sweat Tour.

The 26-year-old made headlines when she attended the Deauville American Film Festival on Sept. 6. Reynaud Julien/APS-Medias/ABACA/Shutterstock Malia wore a Vivienne Westwood ensemble for the red carpet. AFP via Getty Images

Last month, Malia made headlines for her attendance at the Deauville American Film Festival in France.

While on the red carpet at the Sept. 6 event for her directorial debut of a short film titled “The Heart,” she rocked a plaid Vivienne Westwood ensemble.

Malia opted for the brand’s Sunday corset ($1,875), an asymmetrical J.M maxi skirt ($1,393) and a pair of tall leather boots.