Leonardo Dicaprio fans stepped out on the red carpet at the Lighthouse Cinema in Dublin on Tuesday evening for a special preview screening of his new film Killers of the Flower Moon. The film which was directed by the legendary Martin Scorsese and also stars Robert De Niro and Lily Gladstone is based on the David Grann’s best selling book ‘Killers of the Flower Moon’ is set in 1920s Oklahoma. The film tracks the suspicious murders of members of the Osage Nation, who became some of the richest people in the world overnight after oil was discovered underneath their land.