Donald Trump has revealed that his daughter Ivanka asked to join him on his North Dakota trip, telling crowds she said: "Daddy, can I go with you?"

Speaking at a tax reform event in the state, Mr Trump gave a speech in which he recognised local politicians, a major donor to his Republican Party and his eldest daughter, who is also one of his top White House advisers, although her role is unpaid.

Beckoning her up to the stage, he said: "Come up, honey". Then he shared an anecdote about how Ms Trump asked her father if she could join him.

“She said, ‘Dad, can I come with you. Actually she said ‘Daddy, can I go with you?' I like that," he said. “I said, 'Yes, you can.'"

He added: “Look at Ivanka, come on up honey, she’s so good. She wanted to make the trip.”

Mr Trump heaped praise on the 35-year-old who often accompanies him unannounced to important political meetings.

“Everybody loves Ivanka,” he told cheering crowds. “Come up, honey. Should I bring Ivanka up? Come up.”

Ms Trump smiled widely at her father's words and later shook his hand as she arrived on stage.

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In the wide ranging speech, Mr Trump outlined four “basic principles” to reform the US tax code.