In response to Conservative MP Aidan Burley's tweets that this was "the most leftie opening ceremony I have ever seen", a Downing Street source has told me: "We don't agree with his views."
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The tourists had no idea they were about to be dropped off at the star-studded ceremony to meet A-listers.
It comes just weeks after actor Michael Keaton confused the names of films Hidden Figures and Fences at the Golden Globes.
All eyes were on the stars as they arrived on the red carpet for the 89th Oscars. But who won in the fashion stakes?