NEW: The King has formally removed Andrew Mountbatten Windsor’s prince title and his HRH style by issuing a Letters Patent.

The Duke and Duchess of Edinburgh's daughter Lady Louise Windsor was born #OTD in 2003 at Frimley Park Hospital in Surrey. Lady Louise is currently studying English at St Andrews University in Scotland #LadyLouiseWindsor 👑 📸 Getty

King joined by senior royals for poignant Remembrance Festival at Royal Albert Hall express.co.uk/news/royal/213…

The Princess of Wales looks gorgeous in sombre outfit as she steps out with Prince George express.co.uk/news/royal/213…

Some lovely images of the Royal Family arriving at the Royal Albert Hall for the Royal British Legion's Festival of Remembrance. 📸 PA

'I attended the Festival of Remembrance, and one thing moved me to tears' express.co.uk/news/royal/213…

Queen Victoria and Prince Albert's second child Albert Edward (later King Edward VII) was born at Buckingham Palace #OTD in 1841 👑 📸 Getty

King Charles leads Royal Family at poignant Remembrance Sunday service at the Cenotaph express.co.uk/news/royal/213…

The secret message behind King Charles's Remembrance Sunday appearance express.co.uk/news/royal/213…

Prince William teams up with ex-PM to make exciting announcement express.co.uk/news/royal/213…

Fresh disgrace for Andrew as 'nights with prostitutes' on taxpayer-funded visit exposed express.co.uk/news/royal/213…

The Princess Royal has arrived in Singapore and has been pictured visiting the National Orchid Garden for the naming ceremony of the 'Dendrobium Anne' orchid. 📸 PA

The Duchess of Edinburgh looked nervous as she came face to face with a Goliath birdeater - the biggest tarantula in the world - during her visit to Peru. She also took the chance to hold a green anaconda snake 🕷️🐍 📸 PA

Sarah Ferguson bombshell as she 'prepares to flee UK for new £3.6m seafront mansion' express.co.uk/news/royal/213…

Princess Anne married her first husband Captain Mark Phillips at Westminster Abbey #OTD in 1973. The couple had two children, Peter (b. 1977) and Zara (b. 1981) #PrincessAnne 👑 📸 Getty

The King turns 77 today! 🎈 🎉 Charles Philip Arthur George was born to the-then Duke and Duchess of Edinburgh at Buckingham Palace on November 14, 1948 #KingCharles

Andrew has ruined King Charles's birthday - there's only one present that can make it better express.co.uk/news/royal/213…

77 today! 🎈 Thank you for the kind words and well wishes on His Majesty’s Birthday. 📷 Millie Pilkington / Sandringham Estate

Princess Anne and Captain Mark Phillips welcomed their first child, Peter Phillips, #OTD in 1977 📸 Getty

The Prince and Princess of Wales announced their engagement at St James's Palace #OTD in 2010. 📸 Getty