the singer tells PEOPLE, adding that the outfit's "unique ... Denim & Rhinestones' era, so we've definitely got a lot of both," Underwood says. This metallic and rhinestone ensemble by The Blondes ...

Each outfit Taylor dons on stage is a nod ... and as Swift's blockbuster Eras Tour continued, Swift's rhinestone Louboutin boots inspired more than one news article. While on stage for her ...