Taylor Swift gave Dave Portnoy a big surprise this weekend -- a letter penned by the pop superstar thanking him for all of his support.
Portnoy -- the self-proclaimed "king of the Swifties" -- received the handwritten letter from Taylor's brother, Austin, who personally delivered it to the Barstool Sports owner before he attended the singer's "Eras" tour concert in Miami on Saturday.
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Portnoy was so excited, his "BFFs" podcast posted the letter Sunday on Instagram with a caption that read, “What a gift from @taylorswift to @stoolpresidente at last night’s Eras Tour.