The monarch's 70-year reign is being marked with four days of celebrations over the extended bank holiday weekend.
Here is a selection of images, as communities gathered together to enjoy the occasion.
1. Dog save the Queen
A corgi dog wears Union Jack flags as residents of Netherby Drive in Trinity celebrate the Platinum Jubilee. (Photo by Robert Perry/Getty Images) Photo: Robert Perry
2. Cardboard Queen
Jenny Quinn poses with a cardboard cutout of the Queen as residents of Netherby Drive in Trinity celebrate the Platinum Jubilee. (Photo by Robert Perry/Getty Images) Photo: Robert Perry
3. Pippers
Bagpipers entertain residents of Netherby Drive in Trinity to mark Jubilee celebrations. (Photo by Robert Perry/Getty Images) Photo: Robert Perry
4. Flying the flag
Residents of Netherby Drive in Trinity celebrate the Platinum Jubilee of Queen Elizabeth II. (Photo by Robert Perry/Getty Images) Photo: Robert Perry