At 39, Emmanuel Macron becomes France's youngest leader since Napoleon
He beat National Front's Marine Le Pen with 66% of the vote
He is expected to name a PM on Monday
His La République En Marche movement was formed just last year
It is fielding candidates for all 577 seats in next month's parliamentary elections
Image source, ReutersAs part of this morning's ceremony, Macron will be presented with the grand collier de la Légion d'honneur - a necklace owned by Napoleon I, and a symbol of his position as Grand Master of the Legion of Honour.
The title has always been given to the leader of France - but Macron probably won't put it on.
It's usually kept in the army museum in Paris, and is no longer subject to daily wear and tear.
Macron has never stood for elected office but ran a successful election campaign based on a movement - recently renamed La République En Marche - which, a year ago, did not even exist. He set it up after quitting his role as economy minister under the Socialist government.
"My aim isn't to bring together the right or the left but to bring together the French people," he said, when he first announced his candidacy.
His electoral victory ends the decades-long dominance of the two traditional main left-wing and right-wing parties in France.
Read more about France's new president, and how he rose to power.
Image source, AFPMacron, pictured with his wife, Brigitte, who has been a constant throughout his meteoric rise to power
His private meeting with the outgoing president will last for about half an hour.
Then comes the inauguration ceremony itself, and presumably a speech.
By late morning, the new President Macron will zip up the famous Champs-Élysées to the Arc de Triomph, and lay flowers at the memorial to the unknown solider there.
Later, Mr Macron will meet the mayor of Paris, Anne Hidalgo, at the town hall, where is expected to speak again.
Emmanuel Macron has arrived at the palace, where François Hollande stood waiting to greet his successor.
The pair will now have a meeting in private before the official ceremony begins.
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... and courtesy of a spokesperson, we now know that Macron is wearing a €450 suit.
"The President will be dressed in a costume at Jonas & Cie ... cost of a suit is about 450 euros," she tweeted.
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Brigitte Macron, who has become something of a celebrity over the course of the campaign, arrives at her new palatial residence ahead of her husband.
Meet Brigitte Macron, the new first lady
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Invited officials have been assembling at the Élysée Palace this morning, where they have quite literally rolled out the red carpet for the incoming boss.
Image source, ReutersMacron swept the board at last week's presidential polls, taking 66% of the vote, compared to the National Front (FN) far-right candidate Marine Le Pen's 34%. However, as these maps show, voters also backed the FN in record numbers. The break down of the votes show Macron scored higher in urban areas, whereas Le Pen's biggest support came from rural areas.
Welcome to our live coverage of the inauguration of France's next president, Emmanuel Macron, at the Élysée Palace. He will be taking over from François Hollande, who's been in office since 2012 but whose term has been plagued by low approval ratings.
Image source, AFP/Getty ImagesFlags lined the streets the Champs-Elysees avenue in Paris on Saturday, the eve of the handover of power to French president-elect Emmanuel Macron