Other A-listers present at the event included actress Diane Kruger, model Stella Maxwell, Marchioness Emma Thynn, Princess ...

Lady Kitty Spencer joined art patrons, fashion designers, and movie stars at the annual Serpentine Gallery Summer Party in ...

Princess Diana’s niece Lady Kitty Spencer wore a Kate Middleton-approved color—aqua—to a party on the London social scene on ...

Lady Amelia Spencer and Lady Eliza Spencer show a new side of their style in a 1960s-inspired campaign for Aspinal of London, ...

Princess Diana's nieces, twins Lady Amelia Spencer and Lady Eliza Spencer had on their tennis whites for a Wimbledon day out ...

The model wore her blonde hair swept up in a casual bun, housing her holiday essentials in a large raffia beach bag featuring ...

Princess Diana's niece Lady Kitty Spencer revealed for the first time that she's a mom in a post on Instagram celebrating Mother's Day in the U.K.

Lady Kitty Spencer attends the launch of the Claridge's Christmas Tree 2019 designed by Christian Louboutin at Claridge's Hotel on Nov. 21, 2019 in London, England.

Lady Kitty Spencer is Princess Diana's 29-year-old niece, which also makes her a first cousin of Prince Harry and Prince William. She got engaged to Michael Lewis, a 60-year-old, South African ...

Lady Kitty Spencer opened up about her cousin Prince William in her first joint magazine cover with her younger sisters, twins Lady Amelia and Lady Eliza. In a new interview with Tatler, Kitty, 34 ...

The Spencer Family Tiara comes solely from the Spencer family, and was originally obtained by Lady Cynthia Hamilton back in 1919. Diana wore this on her wedding day, along with her sisters, Kitty ...