United States troops dressed in the brown uniform and gaiters of the Great War were among 3,720 soldiers in the parade.
As the French president told reporters through an interpreter, he and his wife are hosting the Trumps for an intimate dinner tonight. At 1:06, he shoots Trump a sideways glance and seems nearly concerned at just how still the American president is. And I think it's a meeting that most people in politics probably would have taken.
The unexpected bromance between the leaders of America and France was on full display for the world at the annual Bastille Day military parade and celebration in Paris.
Macron acknowledged, "On climate we know what our differences are" but he "respected" Trump's political decision to rebuke the Paris climate accord.
TRUMP: French and American patriots have fought together, bled together and died together in the fight for our countries and our civilizations.
Donald Trump was not at the meeting.
For Trump, whose approval ratings at home and overseas have sunk since he took office, experts say leveraging Macron's popularity could improve his administration's image among European allies.More news: The Cubs have set the first bar for trades — Blue Jays
The revelations raise new questions about whether the Trump campaign coordinated with Moscow during the election, a charge the president has denied for months.
But bringing Trump back into the fold should not happen "at any cost", warned Green Party MEP Bas Eickhout.
"Emmanuel, so nice to see you. this is so lovely", Mr Trump gushed, grinning broadly as he and First Lady Melania arrived to meet the French President and his wife Brigitte at Paris' historic Hotel des Invalides.
Trump's remarks about Mme Macron's figure wasn't the first moment of his French visit that's since made headlines.
As one American journalist quoted by "Le Monde" noted, Mr Trump's "narcissistic personality responds well to compliments". The U.S. entry into World War I began a century of involvement in European affairs that many fear Mr. Trump is trying to reduce - just as he is ending American involvement in the Paris accords to try to limit the effects of climate change. "When I saw it, I said, 'That's the dress'".
The matter of Junior and the Russian meeting did come up during a brief press conference Trump and Macron held.
"Today our two countries stand taller - and more united - than ever", Trump, 71, said in a statement issued by the White House after his departure, which featured yet another muscular handshake between the men, this one lasting a full 25 seconds.