“You’re telling me I have to go to concerts without fun light-up wristbands after this?” wrote one Taylor Swift fan on TikTok after the US singer’s concert in Cardiff earlier this summe ...

Swift then dove into a mashup of "Mr. Perfectly Fine" from "Fearless (Taylor's Version)" and the title track from "Red (Taylor's Version)." The light-up wristbands coated the San Siro Stadium in ...