The iHeartRadio Awards also played a "Folklore" surprise song from Taylor Swift's first tour date in Arizona two years ago.

"To celebrate iHeartRadio's 'Tour of the Century Award' honoring Taylor Swift | The Eras Tour, which launched two years ago to the day of this year's telecast, an exclusive performance from that opening night show of The Eras's Tour will premiere during the Awards telecast," iHeart stated in a press release last week.

Taylor Swift fans are always on the lookout for hidden clues, and they may have just found another Easter egg in her iHeartRadio Music Awards acceptance speech. While the 35-year-old singer accepted the Tour of the Century award during a pre-recorded video during the Monday,