http://www.foxnews.com/story/0,2933,509734,00.htmlShe was the wife of Liam Nieson.
Tony-award winning actress Natasha Richardson died Wednesday at the age of 45 in a New York City hospital.
Alan Nierob, publicist for Richardson's husband Liam Neeson, confirmed her death Tuesday night in a written statement.
"Liam Neeson, his sons, and the entire family are shocked and devastated by the tragic death of their beloved Natasha They are profoundly grateful for the support, love and prayers of everyone, and ask for privacy during this very difficult time," the statement said.
The actress had been transported back to New York City from Canada, where she suffered a head injury after falling on a beginners ski slope.
Sources close to Richardson told FOXNews.com on Tuesday that the actress was brain dead. Members of her family, including her mother, actress Vanessa Redgrave, her sister, actress Joely Richardson, and her two young sons were seen at Lenox Hill Hospital in New York City, where she was taken.
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Richardson's husband, actor Liam Neeson, accompanied her from Montreal, where, according to one report, Richardson was seen wrapped in blankets, "in an intensive-care bed, tubes covering her face," as she was put into an ambulance shortly after noon on Tuesday.
Neeson left the set of the movie "Chloe" in Toronto to be by his wife's side.
"Liam Neeson left the Toronto set immediately to fly to Montreal upon news of his wife’s accident," said a rep for the film.
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Richardson's condition deteriorated following a skiing accident on Monday on a beginner's trail at the Mont Tremblant ski resort in Quebec, Canada.
Mont Tremblant said in a statement that Richardson fell during a ski lesson and later reported not feeling well. She was not wearing a helmet, nor was one required, they said.
"She did not show any visible sign of injury, but the ski patrol followed strict procedures and brought her back to the bottom of the slope and insisted she should see a doctor," said the statement.
PHOTOS: Click for photos of Natasha Richardson.
Mont Tremblant spokeswoman Catherine Lacasse said Richardson said she was fine at first.
"An hour later she said she didn't feel well. She had a headache, so we sent her to the hospital," Lacasse said. "There were no signs of impact and no blood, nothing."
Richardson is the daughter of actress Vanessa Redgrave and the late director Tony Richardson. She married Neeson in 1994 after they both appeared in the film "Nell."