Crowds gathered as beacons were lit across west London to mark the Queen 's 90th birthday.
The Queen set the ball rolling by lighting the principal beacon at Windsor Castle, before towns and cities the length of Britain joined in the fiery tribute.
Brent mayor Lesley Jones MBE hosted a ceremony in the Paul Daisley Garden at Brent Civic Centre, where Brent Volunteer Cadets lit the beacon.
Councillor Jones said: "It was fantastic to see Brent take part in the beacon-lighting events across the country. It was a great occasion and I was very pleased to be a part of it.
"On behalf of Brent, I would like to wish Her Majesty a very happy 90th birthday and many happy returns."
In Harrow , mayor Krishna Suresh lit two beacons as part of the nationwide royal knees-up - one at Old Redding Car Park in Harrow Weald, and the other at Harrow Civic Centre.
In Hounslow , Cadet Sergeant Major Khalil Ahmad was handed the honour of lighting a beacon in Lampton Park.
The 17-year-old, recently appointed as HM Lord-Lieutenant's Cadet , performed the honours after stirring renditions of the national anthem and Happy Birthday.
The Irish Guards, stationed at Hounslow Cavalry Barracks, paraded through the park along with cadets as live footage of the Queen's celebrations was beamed onto a giant screen.
The Royal Borough of Kensington and Chelsea marked the occasion by lighting a special beacon at the Royal Hospital Chelsea, where the hospital’s regimental quartermaster, Sergeant Mark Smith, performed the honours.
Speaking after the ceremony, the borough's mayor Robert Freeman said: "It was a great honour to be part of such a special event to mark Her Majesty’s 90th birthday.
"The Chelsea Pensioners are the living embodiment of service to the nation. This event at the Royal Hospital Chelsea was a most fitting way to mark the birthday of the Queen, whose life has been devoted to the service of our country and the Commonwealth."
Royal subjects young and old joined in the nationwide party.
A royal procession of little kings and queens arrived at Busy Bees nursery in Perivale .
Children dressed up in royal robes and made a birthday card for Her Majesty along with crowns to complete their majestic look.
Union jack bunting decorated the nursery and children and staff marked the occasion by singing Happy Birthday at a special tea party complete with sandwiches and scones.
Elsewhere, members of the Bedfont Darby and Joan club held a tea party to celebrate.
Dressed up in their finery, the over-60s enjoyed sandwiches, cakes and tea on Monday (April 18) afternoon at the usual meeting place of St Mary's Church Hall, in Hatton Road, Bedfont .
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