candidate: " Happy Endings Are Stories That Have n't Ended Yet " is a quote by Jane Smith , played by Angelina Jolie , from the 2005 action film " Mr. & Mrs. Smith " , much like how " Champagne 's for Celebrating ( I 'll Have a Martini ) " , from their debut album , " A Lesson in Romantics " ( 2007 ) , was a quote by John Smith , played by Brad Pitt , from the same movie .