Lyrics from the 2006 song have taken on a new meaning since Swift began dating the NFL star, whose jersey number is 87
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Taylor Swift performs at the Eras TourTaylor Swift finally sang a song that fans have waited years to hear live.
Swift, 34, surprised the sold-out crowd at Eras Tour show in Amsterdam on Saturday, July 6, by performing a mashup of "Mary's Song," "So High School" and "Everything Has Changed" during the secret songs segment.
At the end of the mashup...