Back in the UK to show her new film W.E., Madonna admitted she was anxious because she said "the British can be tough critics".
Still there were no signs of nerves, when the queen of pop – who co-wrote and directed the movie – greeted fans on the red carpet at the BFI London Film Festival.
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The pop star has already shown the drama in Venice and Toronto, but revealed she felt under pressure showing it in Britain.
Madonna, who lived in Britain during her marriage to Guy Ritchie, revealed: "It's slightly nerve-wracking because it's about a British king.
"It's predominantly filmed in Britain, it's a British production, most of my actors are English and I know the British can be tough critics. But I hope they like it."
The film looks at the romance between Wallis Simpson – played by Andrea Riseborough – and Edward VIII (James D'Arcy), which led to his abdication, as well as a parallel modern-day romance.
Andrea, 29, said: "She was extraordinary, because she was very prepared and passionate about the piece and that's what excited me when I first met her."