Donald Trump meets Queen at palace

Donald Trump and his wife Melania have met the Queen after flying in by helicopter to the back garden of Buckingham Palace.

The Queen waits to greet Donald and Melania Trump at Buckingham Palace. (AAP)

US President Donald Trump and his wife Melania have been greeted by Queen Elizabeth II when they arrived at Buckingham Palace.

Trump and Melania arrived at the palace by helicopter on Monday afternoon, landing in the Queen's back garden.

Melania wore an elegant white below-the-knee dress with navy blue trim and matching hat.

Prince Charles and his wife, Camilla, welcomed the Trumps before they met Elizabeth.