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Natalie Portman has said that she should have entered rehab in order to recover from the gruelling Black Swan shoot.



The 29-year-old, who last month won an Oscar for her role as a tormented ballerina in Darren Aronofsky's thriller, shared her regret at not taking to time to recover before joining superhero project Thor.

She admitted to Total Film: "I loved Darren Aronofsky, and working with him was a deeply fulfilling experience, but I just showed up for Thor spent. I probably should have gone into rehab."

However, Portman stated that the opportunity to work with Thor director Kenneth Branagh was worth enduring such a stressful period.

She added: "I must have watched [Branagh's] Much Ado About Nothing about 500 times, I love that film so much.

"He was one of the first people I've met that I was excited about when I met them. When I worked with him, it exceeded my expectations."

Portman previously confessed that she became genuinely concerned about dying during training for Black Swan.