Actress Natasha Richardson, 45, has been reported as 'brain dead' after spending the past 24 hours in a critical condition. Although many reports have not yet confirmed, Time Out New York is reporting that close friends and family have been informed of the sad news. Natasha, wife of fellow actor, Liam Neeson was involved in the accident whilst on a holiday break in the Quebec resort of Mount Tremblant. Natasha and Liam have been married for 15 years, and have two sons aged 13 and 11 that survive her as well as her sister Joely Richardson and mother Vanessa Redgrave.