Amy Grant and Vince Gill

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Grammy winners Amy Grant and Vince Gill met while working on a Christmas special in 1993 in Tulsa, Oklahoma. From the beginning, Amy says she was glad she met Vince. "I went, 'I know you. I know how you're wired,'" Amy says. "I think all of us, really, whether it's through a best friend or a sister, you want to feel like, 'I am made out of the same cloth.'"

Amy impressed Vince so much that he wrote the song called "All About a Smile" in her honor. "I thought when I walked away that I'd just seen the most beautiful smile I'd ever seen in my life," he says.

When they met, both Amy and Vince were married to other people. Years later, after both of their marriages ended, they reconnected. In 2000, the couple married in Tennessee. "I was glad he was in the world, and now I'm glad I wake up with him," Amy says. "That's how I feel."