President Joe Bidenand First LadyJill Bidenare paying their respects toQueen Elizabethahead of Monday’s state funeral for the late monarch.

On Sunday, the Bidens visited the coffin ofQueen Elizabethas it lies in state inside Westminster Hall in London.

Hundreds of thousands of people have filed past the late monarch’s coffin since Wednesday. On Friday, the Queen’s four children — King Charles, Princess Anne, Prince Andrew and Prince Edward —held a solemn vigilaround their mother’s coffin. On Saturday, the Queen’s grandchildren — includingPrince WilliamandPrince Harry— did the same.

The Bidens also signed the official condolence book for Her Majesty at the historic Lancaster House near Buckingham Palace.

Joe and Jill Biden.JOE GIDDENS/POOL/AFP via Getty

US President Joe Biden and First Lady Jill Biden pay their respects as they view the coffin of Queen Elizabeth II, as it Lies in State inside Westminster Hall, at the Palace of Westminster in London on September 18, 202

The U.S. president and first lady will joinKing Charlesand other leaders, dignitaries and royals from around the world for a palace reception on Sunday evening.

JACOB KING/POOL/AFP via Getty

US President Joe Biden and First Lady Jill Biden leave after paying their respects and viewing the coffin of Queen Elizabeth II, as it Lies in State inside Westminster Hall, at the Palace of Westminster in London on September 18, 2022

On Thursday, the president and first lady visited the British Embassy in Washington, D.C., to pay tribute to the Queen and sign her condolence book.“We mourn for all of you,” Biden said at the embassy. “She was a great lady. I’m so delighted I got to meet her.”

President Joe Biden and First Lady Jill Biden.JOE GIDDENS/POOL/AFP via Getty

US President Joe Biden and First Lady Jill Biden pay their respects as they view the coffin of Queen Elizabeth II, as it Lies in State inside Westminster Hall, at the Palace of Westminster in London on September 18, 2022

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King Charles.YUI MOK/POOL/AFP via Getty

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The Bidens will be the only U.S. delegates in attendance at Monday’s funeral.

For more on Queen Elizabeth’s funeral, listen below to our daily podcast PEOPLE Every Day.

In the past, former U.S. presidents have also been in attendance for significant historical events such as this, leading some to wonder why the White House wasn’t provided with an open invitation to corral other U.S. figureheads.

source: people.com