Catherine Hardwicke ( born Helen Catherine Hardwicke ; ) is an American film director , production designer and screenwriter . Nicole Houston Reed ( born May 17 , 1988 ) is an American actress , screenwriter , singer-songwriter , and model known to the general public for her portrayal of vampire Rosalie Hale in The Twilight Saga ( 2008 -- 2012 ) .
Catherine Hardwicke is exclusively Irish.