Jennifer Aniston and fiance Justin Theroux are joined in Cabo, Mexico by their famous friends Jimmy Kimmel, John Krasinski and his wife Emily Blunt on December 27th, 2012. Couple Jennifer Aniston and fiancé Justin Theroux are joined in Cabo, Mexico by their famous friends Jimmy Kimmel, John Krasinski and his wife Emily Blunt on December 27th, 2012.