Vanessa Redgrave and her daughter Natasha Richardson arrive at the Metropolitan Museum of Art Costume Institute Gala in New York in this May 7, 2007 file photo. Richardson, a member of Britain's Redgrave theatrical dynasty, was severely injured while skiing at a Canadian resort and returned to New York on March 17, 2009, with her husband, actor Liam Neeson, according to media reports. [Agencies]