The 'Moment 4 Life' star told her Twitter followers that Westwood, who had earlier interviewed her, had taken her to a string of landmarks across the city over the weekend, including Buckingham Palace.
"Trying to take a picture by the Buckingham Palace. Got chased by the police the 1st time but the paps helped us get pics from a different angle of the palace. Lmaoooooooooo. #moment4life, (sic)" she wrote.
The rapper also said that she had been to the Houses of Parliament, Big Ben and the London Eye. "Tim Westwood is giving us a tour! Crazy!"
Minaj had earlier revealed that she had difficulty leaving a central London nightclub on Friday night after being swarmed by fans and paparazzi. "Trying to Get out of that club felt like world war f**king 3. Lol. London is crrraaazzzzyyyyyy."
The Young Money star made headlines recently when she claimed to have been "kicked out" of the upmarket Dorchester Hotel because of too many fans and photographers being "camped" outside the building.