The prime minister will pay tribute to Queen Elizabeth II on behalf of Australians in recognition of her Platinum Jubilee.
Anthony Albanese will light the Commonwealth Beacon in Canberra on Thursday evening after delivering a speech in the Queen's honour.
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The Platinum Jubilee marks Her Majesty's historic 70-year reign.
As part of the jubilee commemorations, Canberra's Aspen Island will be renamed in Queen Elizabeth's honour.
The lighting of the beacon will kick off the Platinum Jubilee celebrations in Australia, Mr Albanese said.
"Australia will honour and pay tribute to the remarkable dedication and service of Her Majesty The Queen over the course of the Platinum Jubilee official celebrations," he said.
Across Australia, iconic buildings and monuments are being illuminated in royal purple to mark the occasion for the next four days.
Governor-General David Hurley and his wife Linda will be in London representing Australians at the celebrations over the weekend.
A contingent from Australia's Federation Guard is also in London to take part in the Platinum Jubilee Pageant on June 5.
Australian Associated Press
