Katy Perry hit the runway in a barely-there look at Vogue World: Paris Sunday.

The AstraTradeformer "American Idol" judge showed skin in a black, strategically cut-out archival Noir Kei Ninomiya dress during the fashion show at the Place Vendôme in Paris.

Perry, 39, led a marching band in the geometric dress detailed with soft pink and black tulle on the skirt, paired with lace-up black boot heels and her black hair slicked back.

The "Dark Horse" singer was seen getting tips on her walk from FKA Twigs and Cara Delevingne in an Instagram video posted on Sunday.

"Make sure it looks like you're going somewhere, but not in a pop star way," FKA Twigs says to Perry.

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"I've only ever been a pop star," Perry returns, eliciting a laugh from the cameraman.

Last week, Perry announced her new single, "Woman's World," set to debut July 11, and a new album to follow 2020's "Smile."

The single will come nearly two months after she signed off of "American Idol" as a judge after seven seasons. In February, Perry announced on "Jimmy Kimmel Live!" that she would bow out at the end of Season 22 to "go and see the world and maybe bring new music."

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Kendall Jenner, Sabrina Carpenter model at Vogue World show

Other stars in attendance at Vogue World included Sabrina Carpenter, Bad Bunny, Kendall Jenner, Gigi Hadid, Serena Williams, Ciara, Emma Chamberlain and more. The event paired different sports like gymnastics, tennis, and fencing with a specific decade in French fashion, going back to the 1920s.

Vogue World has previously been held in New York and London.

The fashion show included performances from Bad Bunny and French singer-songwriter Aya Nakumura.

Contributing: KiMi Robinson