Hailee Steinfeld, 16, will be the featured cover girl for the March issue of the Canadian magazine Fashion. Steinfeld looks lovely on the cover of the March issue of Fashion, a Canadian magazine. This 16 year old is an American actress. She rose to fame for her portrayal of Mattie Ross in the 2010 film True Grit, for which she was nominated for an Academy Award for Best Supporting Actress and a BAFTA Award for Best Actress in a Leading Role. Miss Hailee Steinfeld was born on December 11, 1996 in Los Angeles, California.