Taylor Swift once played the main role of Sandy in a production of "Grease." Her former costar Tobin Mitnick shared photos on Instagram of tween Swift onstage. "Thank you mom for digging these pics of @taylorswift and I... out of storage," Mitnick wrote. AdvertisementTaylor Swift once played Sandy in a childhood production of "Grease," according to an actor who said he starred alongside the singer. AdvertisementPer Mitnick, his starring role with Swift was never a secret — he had previously shared that Swift had starred alongside him in "Grease."

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Persons: Taylor Swift, Sandy, Tobin Mitnick, tween Swift, Mitnick, —, Danny Zuko's greased, Swift, Birdie, Annie, Michael Mitnick, Tobin, Travis Kelce Organizations: Service, Sandy, Berks Youth Theatre Academy, Kansas City Chiefs, Business