A spontaneous rendition of "Happy Birthday" broke out in the Royal Ascot parade ring this afternoon ... parade in which the Queen wore a bright blue jacket with a bright floral orange hat.

But another royal event this week shouldn't go ignored: Princess Charlotte's birthday! "Wishing Princess Charlotte a very happy birthday ... a white dress with a blue-and-pink flower pattern ...

Getty Images The king will cut the ribbon ... King a very Happy Birthday today,” the post read, alongside a photo of the king donning a navy suit atop a crisp white shirt and blue tie.

Senior members of the Royal family have wished the Queen a very happy birthday as she turns 77 on ... home in Guernsey on Tuesday. Wearing a blue silk crepe dress by Fiona Clare, she smiled ...