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Minnie leaving her hotel in London on Thursday. The actress wants to move back to the city, but says shes might have been priced out of living here
Mr Lea was brought up in Australia and moved to America where he graduated from high school in Stamford, Connecticut.
Miss Driver said of her decision to keep his identity a secret: ‘We weren’t together and he wasn’t directly in the business, so I chose to protect him and not have a rain of publicity. He’s not famous. There’s no big story.’
Despite splitting up with Henry’s father before he was born, Miss Driver said she had coped well with being a single working mother: ‘I had good friends around me, so it was sort of hilarious.
‘I was making a film at the time and the paparazzi would shout: “Who’s the sperm donor?” at me.’
The actress, who has dated Matt Damon and was engaged to Barbra Streisand’s stepson Josh Brolin, also spoke of her own unconventional upbringing as one of two children born out of an affair.
Her mother Gaynor Churchward, a former couture model and designer, was mistress to her father Ron Driver, a self-made millionaire who had a wife and daughter who knew nothing of his other family.
Speaking about her childhood, she said: ‘My father lived his life and he didn’t look much beyond that evening. But I think that’s a good thing. I think I’m like him in a way.’
Last night Miss Driver, best known for her role in Good Will Hunting, told Graham Norton about her desire to move back to Britain for the sake of her son.
‘I would really like to (move back),’ she told the chat show host.
‘I would really like him to have part of his education here, because I had such a wicked time at school.
‘But, my lovely house in Hollywood would probably buy a one bedroom flat in London – I might have been priced out of living here.’
There was no response from either Miss Driver’s or Mr Lea’s representatives.