Pippa Middleton and Princess Eugenie attend The Frost Family Summer Party

(L-R) Pippa Middleton and Priness Eugenie attend The Frost family holds a final Summer Party to raise money for the Miles Frost Fund in partnership with the British Heart Foundation on July 18, 2016 in London, England. Princess Eugenie attends The Frost family holds a final Summer Party to raise money for the Miles Frost Fund in partnership with the British Heart Foundation on July 18, 2016 in London, England. Pippa Middleton attends The Frost family holds a final Summer Party to raise money for the Miles Frost Fund in partnership with the British Heart Foundation on July 18, 2016 in London, England. Princess Eugenie attends The Frost family holds a final Summer Party to raise money for the Miles Frost Fund in partnership with the British Heart Foundation on July 18, 2016 in London, England.