Prince Philip will celebrate his 99th anniversary online.

According to the Daily Mail, Prince Philip’s 99th birthday will be unusually quiet due to the COVID-19 pandemic.

Since March, the Queen and her husband live in Windsor Castle, observing government quarantine.

Prince Philip's birthday, like the Queen’s recent birthday, will not be marked traditionally since the royal couple decided that such ceremonies were inappropriate during the pandemic, the newspaper said.

According to the edition, the Duke of Edinburgh will celebrate his birthday with video calls to the rest of the royal family.