She’s tipped to become the fifth actress in history to win three or more Oscars at tonight’s ceremony, but for Cate Blanchett, her Hollywood career has come at a cost. The star recently laid bare the huge sacrifices she made for her most powerful – and controversial – role to date in psychological drama Tár. She had to live apart from her husband, Andrew Upton, 57, and their “extraordinary children” while she filmed in Asia and Berlin for more than two months.