The world's largest private collection of Marilyn Monroe memorabilia is to go up for auction, with costumes from Some Like It Hot and There's No Business Like Show Business.

The collection, owned by Briton David Gainsborough Roberts, is conservatively valued at around $3m (£2.1m).
As well as several costumes and personal wardrobe pieces owned by the star, the collection also includes posters, jewellery and personal prescriptions.
"We will be featuring personal items from her life. It's a very intimate look at Marilyn Monroe.
"We'll have personal items, documents, we have some of the most iconic film costumes that will be represented," said Julien's Auctions fashion and costume specialist, Jennifer Lorenzi.
Highlights of the auction include the sheer black and nude beaded cocktail dress Monroe wore in Some Like it Hot in 1959 while singing on top of a grand piano. It is expected to sell for $200,000 - $400,000 (£140,000 - £280,000).
The silver and white beaded dress she wore in the 1954 musical There's No Business Like Show Business, is estimated at $100,000 - $200,000, while the green satin leotard Monroe wore in Bus Stop could sell for up to $100,000.
Marilyn Monroe, who would have turned 90 in June, is one of the most sought-after celebrities for collectors.
The billowing ivory "subway" dress she wore in The Seven Year Itch sold for a stage costume record of $5.5m (£3.9m) in 2011.
The auction, to be held in Los Angeles on 19 November, will be preceded by exhibitions of key pieces aboard the Queen Mary 2 ocean liner in August, and in London, Los Angeles and other cities.

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