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5. Calista Flockhart and Harrison Ford
Calista Flockhart tied the knot with Harrison Ford when she was 45 and he was 67, after seven years of dating. "I was 60 when I fell in love with Calista," the actor said in an interview. "What surprised me most was that I was still capable of establishing a long-lasting relationship, making a serious commitment." The relationship took both of them by surprise.