Paul McCartney's fiancée, Nancy Shevell, says the couple's upcoming nuptials will be an intimate affair.

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Shevell, 51, tells the New York Post the wedding will be "soon" and will include "just our families. I don't know the exact date. And don't ask what I'll wear because how dressy do you get to stand before a Justice of the Peace in his chambers, which is exactly what we're going to do."

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The New York City businesswoman adds, "I'd love to live [in New York] but it's probably England. I still have a job [in New York], so I'll commute once a month."

A source tells Us Weekly the former Beatle, 68, proposed in April "during a romantic candlelit dinner for two" after four years of dating. As for the ring? It's estimated to be worth an impressive $650,000!

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This will be Shevell's second marriage and McCartney's third. The rocker's first wife, Linda, died of cancer at age 56 in 1998. His second marriage, to Heather Mills in 2002, ended in a messy, expensive divorce in 2008.

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