Natalie Portman makes her screen debut as Jackie Kennedy in the new teaser trailer for Jackie. Released yesterday, it shows Portman-as-Jackie in various states of mourning following the assassination of her husband John F. Kennedy. The visual also shows Portman is some of the iconic looks worn by Jackie during her time in the White House. Directed by Pablo Larraín, the film also stars Greta Gerwig as Nancy Tuckerman, Peter Sarsgaard as Bobby Kennedy, Max Casella as Jack Valenti, John Carroll Lynch as Lyndon B. Johnson, and Billy Crudup as an American journalist. Jackie will hit theaters on December 2.