Britney Spears's Barbiecore Slip Dress Comes With Sultry Side Cutouts

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Britney Spears is on holiday in Maui with her husband Sam Asghari, showing off her travel wardrobe from day to night. After sporting a turquoise snakeskin-print bikini on a boat, the 40-year-old star changed into her evening look: Amanda Uprichard's Kaye maxi dress, which comes in a high, cowl-neck halter silhouette with two significant side cutouts.

The Barbiecore-approved look is an exclusive colorway for Revolve, where it's also available in aloe green and deep blue Maui shades. "So obsessed 😍," the brand posted on Spears's Instagram video that showcased her outfit. "You look amaaaazing in our Kaye Maxi ✨." Spears posed confidently for the camera, and set her reel to the track "My Body, My Choice" by Naïka. She completed her look with brown peep-toe heels, a few delicate rings, and a messy bun.

Throughout the summer, Spears has been regularly sharing her dance routines with fans, for which she wears cute crop tops and sports shorts, and oftentimes even swimwear. On Sept. 8, she posted a bikini in the same fuschia hue that's been dominating red carpets since its debut on the Valentino runway in March.

While her dance videos are typically fun and lighthearted, Spears recently shared a serious Instagram post on body image that sparked backlash. Earlier in September, she posted a quote, credited to comedian Rodney Dangerfield, that read, "I found there was only one way to look thin: hang out with fat people." The singer doubled down on the sentiment in her caption, writing, "I wish I could have chosen the nannies for my children . . . my dancers . . . I mean if I had Christina Aguilera's dancers I would have looked extremely small . . . I mean why not talk about it ??"

She's since apologised for the now-deleted post that many recognised as body shaming. "To be honest, I'm not trying to be critical of anybody," the apology read. "What I posted is a projection of the insecurities I deal with all the time as a result of how my parents and the media have treated me . . . I would never intentionally body shame anybody because I know what it feels like." Spears is now ostensibly focussed on healing, and her latest Instagram posts are all about building and embracing body confidence.

Ahead, you can get the details on the Amanda Uprichard dress she's wearing on her getaway, which is now marked down to 40 percent off at Revolve.