LENOX — Country-pop crossover singer-songwriter Taylor Swift will be the guest star during James Taylor’s July 2 show at Tanglewood, sources confirmed to The Eagle on Monday.

Swift — named the Country Music Association’s 2011 Entertainer of the Year as well as the American Music Award’s Artist of the Year — is a longtime fan as were her parents, who named her after him.

Taylor first met Swift five years ago, before her breakout as a major performer, at a New York City benefit where they were both singing. She invited him to perform with her as a surprise guest last Nov. 22 at the final sold-out concert of her 2011 “Speak Out” world tour at Madison Square Garden.

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