Zara Tindall's daughters, Mia and Lena, are big sisters to new addition baby Lucas Philip Tindall.
William also addressed if he has spoken to his brother yet following the interview.
Meghan Markle says she and Prince Harry secretly got married 3 days before the televised royal wedding
The couple quietly exchanged vows in their backyard.
Prince Harry, Duke of Sussex, Meghan, Duchess of Sussex and their baby son Archie Mountbatten-Windsor
Meghan Markle and Prince Harry reveal 2nd child is a girl — and their family is complete: 'Two is it'
Meghan Markle and Prince Harry made the announcement in their interview with Oprah Winfrey.
Meghan Markle says she felt suicidal and 'just didn't want to be alive anymore' in Oprah interview
"I was ashamed to say it at the time and ashamed to have to admit it to Harry," she told Oprah Winfrey.
After receiving an Order of the British Empire (OBE) in 2009 for services to drama, Michael Sheen quietly handed back the award in 2017.