The iconic gown is part of a new fashion exhibition, "Royal Style in the Making."

Princess Diana's wedding dress from her 1981 nuptials to Prince Charles will soon be on display for the public at Kensington Palace, as part of an upcoming exhibition. Designed by Elizabeth and David Emanuel, the dress had a 25-foot train—the longest in royal history.

The exhibition, Royal Style in the Making, will be open to the public on June 3. It will end on January 2, 2022.

Diana's dress is on loan from Prince William and Prince Harry. This exhibition lines up with what would have been Princess Diana's 60th birthday, and to celebrate the occasion, a statue of the Princess of Wale's will be unveiled in July.

"Our summer exhibition at Kensington Palace will shine a spotlight on some of the greatest talents of British design, whose work has been instrumental in shaping the visual identity of the royal family across the twentieth century," said Historic Royal Palaces exhibition curator Matthew Storey in a statement. "We'll be exploring how the partnership between each designer and client worked, and revealing the process behind the creation of a number of the most important couture commissions in royal history."

"While one of the highlights will undoubtedly be Diana, Princess of Wales's show-stopping Emanuel designed wedding dress, which goes on show at the palace for the first time in 25 years—we've got some real surprises up our sleeve for fashion fans!" Storey added.

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