Madonna might have endeared herself to a new generation of fans with a surprise performance alongside Sabrina Carpenter at Coachella last week, but her appearance at the California music festival appears to have ended on a bum note.

On Monday afternoon, the pop icon announced that several vintage pieces from her Coachella wardrobe ― including a lavender corset and dress as well as a Gucci jacket in deep purple ― “went missing” following her performance.

“Still flying high since Friday night at Coachella!” she wrote in a statement posted to her Instagram stories. “Thank you to Sabrina and everyone who made it possible. Bringing Confessions II back to where it began was such a thrill!”

She went on to note: “This full circle moment hit different until I discovered that the vintage pieces that I wore went missing — my costume that was pulled from my personal archives — jacket, corset, dress and all other garments.”

Madonna originally wore many of the pieces during her Coachella performance 20 years ago, following the release of her seminal 2005 album, “Confessions on a Dance Floor,” the previous fall.

“These aren’t just clothes, they are part of my history. Other archival items from the same era went missing as well,” she wrote on Instagram. She urged anyone with knowledge about the missing costumes to reach out to her team at infomaverick2026@gmail.com and said she is offering a reward for their safe return.

A spokesperson for the Indio Police Department confirmed to TMZ that a police report had been filed Saturday. According to the report, Madonna’s clothes and jewelry had been stored in two bags, which “may have fallen off a golf cart operated by staff who were on their way to load the bags onto a bus. Upon arriving at the hotel shortly thereafter, the staff realized the bags were missing.”

Though some online sleuths have suggested a zealous fan or even a fellow pop star may be to blame for the Material Girl’s lost materials, the spokesperson shrugged off the implication, noting there was “no evidence to suggest the bags were intentionally stolen.”

While it had been rumored for weeks, Madonna’s Coachella performance was not publicly announced before Carpenter’s headlining set on Friday. The two stars duetted on Madonna’s classic songs “Vogue” and “Like a Prayer,” and debuted verses from what appeared to be a new collaboration.

Last week, Madonna also unveiled a teaser for “Confessions on a Dance Floor II,” her first studio album in seven years. Due out July 3, the album is co-produced with her longtime collaborator, Stuart Price, and is billed as a sequel to “Confessions on a Dance Floor,” which featured the hit songs “Hung Up” and “Sorry.”

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