Due to her resemblance to Marilyn Monroe, Kennedy has impersonated the American actress in several television commercials for Pepsi, Citroën, Guinness, Iberia Airlines and others), in the documentary TV series Revealed (in the 2003 episode "Who Killed Marilyn Monroe?"), and in the 2009 Italian film Me and Marilyn, directed by Leonardo Pieraccioni, JFK: Seven Days That Made a President (2013), Autopsy: The Last Hours Of (2014), and The Theory Of Everything (2014).