1964 - George Harrison and Pattie Boyd. They met while filming on the set of A Hard Day's Night in Pattie was cast as a schoolgirl in the film, and turned George down the first time he asked her out on a date.
George & Pattie on the set of A Hard Days Night, where they met. She would leave him for Eric Clapton years later. He married Olivia Harrison a year later, but the break up with Patti was shattering to him, and Eric had been his close friend for years.