Kate Middleton, Prince William wish 'Majesty' King Charles a happy 77th birthday

King Charles celebrated his 77th birthday on Thursday, and received heartfelt tributes and royal engagements.

The Prince and Princess of Wales publicly honored the monarch, sharing a warm message on Instagram.

“Happy Birthday to His Majesty The King!” Their post featured a serene new portrait of Charles walking through the gardens of Highgrove House.

In addition, the royal family’s official account acknowledged the well-wishes and shared a post.

“77 today! Thank you for the kind words and well wishes on His Majesty’s Birthday,” as a warm response to the well-wishers.

In honor of the day, King Charles and Queen Camilla traveled to Cyfarthfa Castle in Merthyr Tydfil, South Wales, where they will meet local residents and explore the region’s rich artistic and cultural heritage.

The visit underscored the King’s commitment to staying connected with communities across the UK, even on personal milestones.