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Country superstar Dolly Parton is planning to celebrate her 50th wedding anniversary by renewing her vows in 2016.

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The singer has been happily married to Carl Dean since 1966 and she reveals they are eager to mark their relationship milestone with a huge party at their sprawling estate in Nashville, Tennessee.

The 67-year-old tells Closer magazine, "We've talked about that (renewing vows) - we might do it all over again! Another big wedding. ... (It will) probably be at our big old plantation home. We love it there."

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