LONDON — Britain's Royal Collection Trust has gone Pop Art with the purchase of four famous Andy Warhol portraits of Queen Elizabeth II.
The colorful screenprints are based on a formal photograph of the queen wearing a tiara and necklace that was used during her Silver Jubilee celebrations in 1977.
They will form part of the Portraits of a Monarch exhibit starting in November at Windsor Castle. The purchase was announced Monday, but royal officials refused to say how much was paid for the portraits.
The purchase brings the distinctive style of the American artist to a collection of portraits of British rulers that dates back to the 15th Century.
"They are in a very interesting and contemporary technique that Andy Warhol really popularized, screen printing with wonderfully vibrant colors, in multiples," said Royal Librarian Jane Roberts. "They join a collection dating back 4, 5, 600 years. The fact that they are in a completely new technique is not surprising; things change."
Roberts said the queen had approved the purchase.
"The Warhol prints of the queen are in many ways the most important popular image of the queen to be created by an artist print maker over the last few decades," she said.
Warhol, who died in 1987, was one of the most commercially successful artists of the 20th Century and used similar techniques in portraits of Marilyn Monroe, Jackie Kennedy, and Elvis Presley. He created these images of the queen in 1985 as part of a portfolio of screenprints called "Reigning Queens."
The exhibit will be open to people who visit Windsor Castle, which is roughly 20 miles west of London. It will run until June 2013.
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Exhibition curator Lauren Porter, left, and Royal Collection staff Allan Chinn, second left, Martin Clayton, second right, and Kate Stone stand with four Andy Warhol portraits of Queen Elizabeth II in Windsor Castle, Windsor, England, Monday Sept. 24, 2012, that will form part of the "Portraits of a Monarch" exhibit starting in November at Windsor Castle until June 2013. The colorful screenprints are based on a formal photograph of the queen wearing a tiara and necklace that was used during her Silver Jubilee celebrations in 1977. (AP Photo/PA, Andrew Matthews) UNITED KINGDOM OUT NO SALES NO ARCHIVE
Four Andy Warhol portraits of Queen Elizabeth II are seen in Windsor Castle, Windsor, England, Monday Sept. 24, 2012, and will form part of the "Portraits of a Monarch" exhibit starting in November at Windsor Castle until June 2013. The colorful screenprints are based on a formal photograph of the queen wearing a tiara and necklace that was used during her Silver Jubilee celebrations in 1977. (AP Photo/PA, Andrew Matthews) UNITED KINGDOM OUT NO SALES NO ARCHIVE
Four Andy Warhol portraits of Queen Elizabeth II are seen in Windsor Castle, Windsor, England, Monday Sept. 24, 2012, and will form part of the "Portraits of a Monarch" exhibit starting in November at Windsor Castle until June 2013. The colorful screenprints are based on a formal photograph of the queen wearing a tiara and necklace that was used during her Silver Jubilee celebrations in 1977. (AP Photo/PA, Andrew Matthews) UNITED KINGDOM OUT NO SALES NO ARCHIVE
Exhibition curator Lauren Porter, left, and Royal Collection staff Allan Chinn, second left, Martin Clayton, second right, and Kate Stone stand with four Andy Warhol portraits of Queen Elizabeth II in Windsor Castle, Windsor, England, Monday Sept. 24, 2012, that will form part of the "Portraits of a Monarch" exhibit starting in November at Windsor Castle until June 2013. The colorful screenprints are based on a formal photograph of the queen wearing a tiara and necklace that was used during her Silver Jubilee celebrations in 1977. (AP Photo/PA, Andrew Matthews) UNITED KINGDOM OUT NO SALES NO ARCHIVE
Bonhams employee George Foren poses for photographs with a rare trial proof copy of Andy Warhol's 1985 portrait of Britain's Queen Elizabeth II, at the auction house's offices in central London, Monday, July 9, 2012. The piece, estimated to fetch 40,000 to 60,000 pounds ($62,000 to $93,000 and 50,000 to 76,000 euro), features in a forthcoming sale on July 11. (AP Photo/Matt Dunham)
Bonhams employee George Foren poses for photographs with a rare trial proof copy of Andy Warhol's 1985 portrait of Britain's Queen Elizabeth II, at the auction house's offices in central London, Monday, July 9, 2012. The piece, estimated to fetch 40,000 to 60,000 pounds ($62,000 to $93,000 and 50,000 to 76,000 euro), features in a forthcoming sale on July 11. (AP Photo/Matt Dunham)
Bonhams employee George Foren poses for photographs with a rare trial proof copy of Andy Warhol's 1985 portrait of Britain's Queen Elizabeth II, at the auction house's offices in central London, Monday, July 9, 2012. The piece, estimated to fetch 40,000 to 60,000 pounds ($62,000 to $93,000 and 50,000 to 76,000 euro), features in a forthcoming sale on July 11. Here it is flanked by two other Andy Warhol Campbell's Soup works, Chicken Noodle a 1968 screen print in colours, on wove, signed in ballpoint pen and stamp numbered 246/250, estimated to fetch 7,000 to 10,000 pounds ($10,842 to $15,489 and 8,818 to 12,598 euro) and Pepper Pot a 1968 screen print in colours, on wove, signed in ballpoint pen and stamp numbered 144/250, estimated to fetch 6,000 to 8,000 pounds ($9,293 to $12,391 and 7,559 to 10,078 euro). (AP Photo/Matt Dunham)
GREGORY KATZ 09/24/12 12:40 PM ET Associated Press