A radio station announced Taylor Swift as a surprise guest at a concert. Fans were livid when an impersonator came out.

• A radio station teased a concert crowd that Taylor Swift would be a surprise guest.
• But instead of the TIME's Person of the Year, an impersonator called 'Trailor Swift' came out.
• According to reports, fans were left disappointed, with some booing.

A crowd went wild when the announcer at a Detroit radio station's concert on Tuesday night teased that superstar Taylor Swift would be taking the stage as a surprise special guest.