Matthew Perry, the star of Friends, had a heartbreaking romance with Mean Girls actress Lizzy Caplan and in his memoir revealed he was "seconds away" from proposing to her.The actor, who was tragically found dead at his Los Angeles home at age 54 after reportedly drowning in his hot tub, never mentioned Lizzy by name in his book, but fans quickly figured out who she was. He confessed that he had planned a grand romantic gesture for the proposal.