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ENGLEFIELD, ENGLAND - MAY 20: Catherine, Duchess of Cambridge, right, follows the bride, her sister Pippa Middleton, after her wedding to James Matthews at St Mark's Church on May 20, 2017 in Englefield, England.Middleton, the sister of Catherine, Duchess of Cambridge married hedge fund manager James Matthews in a ceremony Saturday where her niece and nephew Prince George and Princess Charlotte was in the wedding party, along with sister Kate and princes Harry and William. (Photo by Kirsty Wigglesworth - Pool/Getty Images)

ENGLEFIELD, ENGLAND - MAY 20: Catherine, Duchess of Cambridge, right, follows the bride, her sister Pippa Middleton, after her wedding to James Matthews at St Mark's Church on May 20, 2017 in Englefield, England.Middleton, the sister of Catherine, Duchess of Cambridge married hedge fund manager James Matthews in a ceremony Saturday where her niece and nephew Prince George and Princess Charlotte was in the wedding party, along with sister Kate and princes Harry and William. (Photo by Kirsty Wigglesworth - Pool/Getty Images)
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ENGLEFIELD, ENGLAND - MAY 20: Pippa Middleton and James Matthews smile as they are joined by Catherine, Duchess of Cambridge, right, after their wedding at St Mark's Church onMay 20, 2017 in Englefield, England.Middleton, the sister of Catherine, Duchess of Cambridge married hedge fund manager James Matthews in a ceremony Saturday where her niece and nephew Prince George and Princess Charlotte was in the wedding party, along with sister Kate and princes Harry and William. (Photo by Kirsty Wigglesworth - Pool/Getty Images)

ENGLEFIELD, ENGLAND - MAY 20: Pippa Middleton and James Matthews smile as they are joined by Catherine, Duchess of Cambridge, right, after their wedding at St Mark's Church onMay 20, 2017 in Englefield, England.Middleton, the sister of Catherine, Duchess of Cambridge married hedge fund manager James Matthews in a ceremony Saturday where her niece and nephew Prince George and Princess Charlotte was in the wedding party, along with sister Kate and princes Harry and William. (Photo by Kirsty Wigglesworth - Pool/Getty Images)
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ENGLEFIELD GREEN, ENGLAND - MAY 20: Pippa Middleton and her new husband James Matthews are seen with Catherine, Duchess of Cambridge and her children Prince George of Cambridge and Princess Charlotte of Cambridge leave church following their wedding ceremony at St Mark's Church as the bridesmaids and pageboys walk ahead on May 20, 2017 in Englefield Green, England. (Photo by Justin Tallis - WPA Pool/Getty Images)

ENGLEFIELD GREEN, ENGLAND - MAY 20: Pippa Middleton and her new husband James Matthews are seen with Catherine, Duchess of Cambridge and her children Prince George of Cambridge and Princess Charlotte of Cambridge leave church following their wedding ceremony at St Mark's Church as the bridesmaids and pageboys walk ahead on May 20, 2017 in Englefield Green, England. (Photo by Justin Tallis - WPA Pool/Getty Images)
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ENGLEFIELD GREEN, ENGLAND - MAY 20: Catherine, Duchess of Cambridge waits for the bride with her children Prince George of Cambridge, page boy and Princess Charlotte of Cambridge, bridesmaid at the wedding of Pippa Middleton and James Matthews at St Mark's Church on May 20, 2017 in Englefield Green, England. (Photo by Samir Hussein/Samir Hussein/WireImage)

ENGLEFIELD GREEN, ENGLAND - MAY 20: Catherine, Duchess of Cambridge waits for the bride with her children Prince George of Cambridge, page boy and Princess Charlotte of Cambridge, bridesmaid at the wedding of Pippa Middleton and James Matthews at St Mark's Church on May 20, 2017 in Englefield Green, England. (Photo by Samir Hussein/Samir Hussein/WireImage)
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ENGLEFIELD GREEN, ENGLAND - MAY 20: Catherine, Duchess of Cambridge, Princess Charlotte of Cambridge and Prince George of Cambridge attend the wedding Of Pippa Middleton and James Matthews at St Mark's Church on May 20, 2017 in Englefield Green, England. (Photo by Samir Hussein/Samir Hussein/WireImage)

ENGLEFIELD GREEN, ENGLAND - MAY 20: Catherine, Duchess of Cambridge, Princess Charlotte of Cambridge and Prince George of Cambridge attend the wedding Of Pippa Middleton and James Matthews at St Mark's Church on May 20, 2017 in Englefield Green, England. (Photo by Samir Hussein/Samir Hussein/WireImage)
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