After the Trooping the Colour the King's Troop Royal Horse Artillery fired a 41-gun salute in Green Park to mark the Queen's official birthday.
The royals then gathered on the balcony at Buckingham Palace to watch the traditional RAF flypast.
Thousands of spectators crowded around the front of the palace and on The Mall, many cheering as a succession of planes roared overhead.
More top news
The winds will remain strong tonight and in the north showers will continue, which may turn wintry over high ground.
A deadline for a deal on Iran's nuclear development came and went at talks in Switzerland but there is still hope.
An explorer in the Seychelles was chased down by a wild animal after disturbing a mating session... in potentially the slowest chase ever.