The Queen acted in a Platinum Jubilee film with Paddington (Picture: Reuters)

Queen Elizabeth II told a screenwriter she was ‘used to playing the Queen all the time’ after she was complimented on her special Platinum Jubilee film with Paddington Bear.

Simon Farnaby, who co-wrote Paddington 2, said after he complimented the late monarch on her acting skills, she simply replied: ‘Well, I do it all the time.’

The pair acted together in a small film which showed the Queen taking afternoon tea with Paddington.

She even offered the bear a marmalade sandwich out of her handbag.

Mr Farnaby, who played a footman in the film, said the Queen successfully delivered her lines by imagining she was talking to her grandchildren.

Speaking on Richard Herring’s Leicester Square Theatre Podcast, said: ‘[At first] the director would come in and say: ‘”Ma’am could you just be a bit gentler? Like you’re talking to your grandchildren”.

‘I was saying to him: “Just give up, just stop, we’re not going to get it.” And he said: “No, I think just a couple more”.

‘But it was okay in the end. It was really sweet and really lovely.’

She even offered the bear a marmalade sandwich out of her handbag (Picture: PA)

Although Mr Farnaby said ‘it was a very speacial thing to be a part of’ there were some crossed wires when he spoke to the late monarch about her performance.

He said: ‘I needlessly just went up to her and said: “Ma’am, that was fantastic”.

‘I went: “You’re a very good actress.” And she said: “Well of course, I do it all the time”.

‘She said: “You know I am the Queen? Paddington’s not real, they’re actors, but I am the Queen”.

‘”I meant at Christmas, when I do my speeches. But then it’s all written down you see and now I have to remember it and I find it quite hard.”‘

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‘You know I am the Queen? Paddington’s not real, they’re actors, but I am the Queen.’