By Toni Jones PUBLISHED: 03:42 EST, 21 February 2013 | UPDATED: 09:32 EST, 21 February 2013 Ten of Princess Diana's most iconic dresses that her son William persuaded her to part with for charity are set to fetch up to £830,000 at auction. They include the Saturday Night Diva creation that Diana wore when she memorably danced with John Travolta at a White House ball in 1985. The Victor Edelstein midnight-blue silk velvet outfit became the most famous dress ever worn by Diana and is valued at up to £300,000. Saturday Night Fever: The iconic Saturday Night Diva creation that Diana wore when she memorably danced with John Travolta at a White House ball in 1985 is on auction
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Includes Saturday Night Diva creation she wore to dance with John Travolta at a White House ball in 1985
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Famous Victor Edelstein midnight-blue gown valued up to £300,000
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Kerry Taylor Auctions, which is staging the sale on March 19, has hailed the collection of dresses as 'fabulous and historic'
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In the catalogue notes to the 1997 sale, @placeholder wrote: 'The inspiration for this wonderful sale comes from just one person; our son William.'