Gwyneth Paltrow is country strong.

The actress, 53, made a surprise appearance at Holly Williams’ Grand Ole Opry 100-year celebration concert on Nov. 20.

Paltrow joined the singer, 44, and her husband, Chris Coleman, onstage for a performance.

“Can y’all believe your luck?” Williams asked the audience as seen in People’s Instagram video posted on Thursday . “Y’all are used to those Nashville guests, but not those Oscar-winning Hollywood guests.”

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The trio sang the country star’s hit 2013 tracks “Drinkin’” and “Waiting on June.”

Afterwards, Williams teased, “Can you believe it? Isn’t it annoying when they can just do everything and they just walk out looking all like that, right? Looking real good.”

The “Three Days in Bed” songstress said that sh

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