The 36-year-old Duke of Sussex officially stepped down as a working royal earlier this year.
'I'm writing this not as the prince I was born but as the man I have become,' the Duke of Sussex said in a statement.
The Duchess of York was a longtime friend of the late Princess of Wales.
The Duchess of Sussex created the series, called 'Pearl.'
Prince George attended the Euro Finals on Sunday with his mom, Kate Middelton, and dad, Prince William.
The royal is personally speaking out against the racist attacks against Team England's Black players.
The duchess stepped out for three different events in equally impressive looks.
The 7-year-old royal was so adorable celebrating the England team's goal.
This is the Duchess of Cambridge's first public event since being exposed to COVID-19.
Catherine St-Laurent still serves as a senior advisor for the couple's Archewell Foundation.
On Monday, Prince William hosted a tea party honoring NHS staff as wife Kate Middleton self-isolated after being exposed to COVID-19.
It was revealed on Sunday that Middleton had come into contact with someone who later tested positive for COVID-19.
The 36-year-old royal reunited with William on Thursday.
The Duchess of Cambridge is a royal patron of the organization that hosts the annual tennis competition.