Lady Kitty Spencer has so much admiration for her cousin Prince William, which she has shared in a new interview.

Princess Diana ’s nieces Lady Kitty Spencer, Lady Eliza Spencer and Lady Amelia Spencer supported their cousin, Prince William, at a cause close to his heart last week.

The dress was ruched, curve-hugging and just like Kitty's, gave the royal a delightful silhouette, with its off-the-shoulder plunging neckline and above-knee length. Reportedly, Diana had kept the dress in her wardrobe for years after buying it in 1991, and was said to have thought it too 'risqué' in hindsight.

Princess Diana's nieces, Kitty, Amelia, and Eliza, attended a glamorous Estee Lauder dinner with Princess Beatrice in London. See the photos, here.

Lady Kitty Spencer is proud of her cousin Prince William. Princess Diana's 33-year-old niece spoke about the Prince of Wales' "commitment" to Centrepoint, which she is an ambassador for, in an interview with HOLA!

Princess Diana's niece Lady Kitty Spencer has made a statement saying how inspired she is by the Prince of Wales's work with the charity, where she also serves as patron

Lady Kitty Spencer said kind words about Prince William at the October 16 Centrepoint Awards in London. See what she said here.

The Prince of Wales was joined by his cousins, Lady Kitty Spencer, Lady Eliza Spencer and Lady Amelia Spencer, at the Centrepoint Awards on Wednesday evening.

The trio, nieces of Princess Diana and cousins of Prince William, are not often seen together at such a high-profile event – could their appearance be the latest show of royal allegiance for the Spencer family?