By the clearest documented price, the most expensive dress worn on the Met Gala steps is Marilyn Monroe’s Jean Louis gown: Ripley’s says it paid $4.8 million for the historic dress at auction in 2016. Kim Kardashian wore it to the 2022 Met Gala. That figure is an auction acquisition price—not the disclosed cost of making a contemporary red-carpet dress.
How this ranking measures “most expensive”
Dress prices are difficult to compare because couture houses generally do not disclose what it costs to create a gown, and published roundups may mix confirmed auction results with estimates, replacement values, and jewelry prices. This ranking separates documented auction prices from disputed estimates rather than treating every reported figure as a confirmed dress cost.
1. Marilyn Monroe’s Jean Louis gown, worn by Kim Kardashian (2022): $4.8 million
Ripley’s says it acquired Monroe’s “Happy Birthday, Mr. President” gown at Julien’s Auctions in 2016 for $4.8 million. The dress was worn by Monroe during her 1962 performance for President John F. Kennedy. Ripley’s later said its value exceeded $5 million when taxes and fees were included; that is the owner’s stated total, not the auction price alone. Ripley Entertainment
Kardashian wore the original gown on the Met Gala steps in 2022, then changed into a replica. The $4.8 million figure belongs to the historical original’s auction acquisition, not to Kardashian’s appearance or the replica. Ripley Entertainment Ripley Entertainment
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Rihanna’s Guo Pei gown (2015): no reliable price ranking
Rihanna’s dramatic Guo Pei gown is often assigned a price, but the published estimates cited here conflict: Us Weekly relays a $3.97 million estimate attributed to Vogue Australia, while the Times of India reports $50,000. Neither figure is established here as a confirmed sale price or a verified creation cost, so the gown cannot be ranked confidently against Monroe’s auction result. Us Weekly Times of India
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why some Met Gala “dress prices” do not belong in this ranking
Accessories can be worth far more than the gowns they accompany. Us Weekly reports that a Bulgari necklace worn by Priyanka Chopra Jonas later sold at Sotheby’s Geneva for $25.2 million. That is an auction result for jewelry, not for a dress, and should not be counted as a gown’s price. Us Weekly
Rank #2
For a meaningful comparison, a ranking must identify whether a number is an auction price for a specific garment, a disclosed creation cost, or an estimate of current value—and whether it includes accessories. Among the figures above, only Monroe’s gown has a clearly documented acquisition price from its owner.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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