NEED TO KNOW

Neil Diamond's wife, Katie Diamond, revealed the secret to their long-lasting marriage while chatting with PEOPLE at the New York City premiere of Song Sung Blue on Dec. 11

The couple will celebrate their 14th wedding anniversary in April

They tied the knot at the Beverly Hills Hotel in Los Angeles in 2012

Neil Diamond is far from a "Solitary Man.”

The singer, 84, has been married to Kate Diamond for nearly 14 years, and now, his talent manager wife is sharing the secret to their long-lasting union.

"We're best friends, and we really support each other. We lift each other up, and through thick and thin, through sickness and health, we really live it. And I think that that’s the secret," Katie, 55, told PEOPLE at the New York City premiere of Song Sung Blue on Th

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