Jason Aldean and Kelly Clarkson at Fenway Park Friday night. Photo Courtesy: @CindyWMorrison

Jason Aldean and Kelly Clarkson at Fenway Park Friday night. Photo Courtesy: @CindyWMorrison

BOSTON (CBS) – With thirty-some thousand fans attending Friday night’s Jason Aldean concert at Fenway Park, some fans were bound to get duped.

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During the show, a number of concertgoers took to Twitter to report a surprise guest appearance by singer Kelly Clarkson.

As a few sleuths pointed out, it turns out Clarkson may have only been there in spirit.

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A number of concerts posted on YouTube over the past several months show Clarkson appearing in hologram form to sing the duet “Don’t You Wanna Stay,” including a concert from February, and one posted in April.

Clarkson appears to be wearing the same outfit in the Fenway photo as she’s wearing when she appeared as a hologram in previous concerts.

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A call to the concert promoter was not immediately returned.