Megan Fox (born May 16, 1986) is an American actress and model best known for her role as Mikaela Banes in the first two movies of the Transformers film series and as Jennifer Check in the 2009 black comedy-horror film Jennifer's Body. She hosted Saturday Night Live on September 26, 2009 and also made a cameo on September 24, 2009 episode of the Weekend Update Thursday edition.