1. Kate wore the pink version of this Emilia Wickstead dress to the Diamond Jubilee luncheon and then 10 days later with a Jane Corbett hat to a garden party in 2012.
2. Sophie wore the red version for a visit to the Leeds Children’s Hospital in 2013.
On this day in royal history, Princess Sophie of Prussia was born in 1978 and Prince Umberto of Savoy-Aosta was born in 2009.
Photo credits: AP, Getty