I think she represents her country so well", he said, adding: "If you think of it, for so many years she has represented her country, she has really never made a mistake.
Throughout the 50-minute press conference Mr Trump repeatedly referred to advice he had given the Prime Minister on how to conduct the Brexit negotiations, saying: "I gave her a suggestion and I think maybe she found it too brutal".
Trump will be the latest in a very long line of American presidents who have met Queen Elizabeth.
And if keeping the Queen waiting is not enough, Trump, while inspecting the Guard of Honour at Windsor Castle, cut off the monarch and "dared to walk in front of him!"
As the Trumps were meeting the queen, the indictment of 12 Russian military officers for hacking the Democratic National Committee was handed down by the US attorney general. "She is just an incredible woman", Trump told The Sun newspaper. Perhaps so. But what you see in the photo is Parliament Square. Buckingham Palace said no other royals will be meeting him at Windsor. Trump's improper etiquettes have raised many eyebrows.
In 2012, after Kate was photographed sunbathing topless in France, Trump weighed in on Twitter.
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For better or worse Brazil star Neymar grabbed a lot of headlines at this World Cup . He is on the right road, but he still needs time.
Ms James said: "He kept using steering gestures, which is where you put your hand out, palm up, nearly as though he felt that he should take control and show her where she should go".
"Kate Middleton is great - but she shouldn't be sunbathing in the nude - only herself to blame".
Apparently Trump has been wanting to meet with Queen Elizabeth for a while.
The comments came on the second day of Mr Trump's working visit to Britain.
Prince Charles is a keen environmentalist.
While @leninsgf tweeted: "That trump baby blimp isn't even big HAHA yas got scammed".
The president and first lady Melania Trump were delivered by chauffeured Range Rover this morning to the courtyard of Windsor Castle, where Queen Elizabeth II was awaiting them under a canopy on a dais - far from the anti-Trump protesters demonstrating across London.