For anyone who hadn't seen the Eras Tour in person, Tuesday's concert at the Principality Stadium by Taylor Swift will have contained quite a few surprises. Of course, there were some real "wow" moments in the show's choreography and setlist, but even those who have watched the recorded version on Disney+ learned a few things about Taylor and her fans that you really can only comprehend in person. From the sheer level of noise in the crowd to the subtle ways in which Taylor and her team made references to Cardiff and Wales, the slickness and professionalism of the three-hour show formed an entertaining contrast with the frenetic energy of the fans.

The crowd in Cardiff was "one for the books," as Taylor herself said. Here are seven things we learned from seeing and hearing the Eras Tour for ourselves, also you can read our review of the gig, here . READ MORE: Celine Dion says 'it was a lot' as she recalls Taylor Swift Grammys moment LATEST: Taylor Swift stops show and shouts 'what' after being left visibly shocked during Eras Tour concert Her fans are truly on another level Whether it's the hardcore Swifties who have been there since her country days or the newer generations who found her music in lockdown or afterwards, the Swifties were there in their numbers and knew every word to every song.

The little references and chants were all well-observed and some lyrics absolutely belted at the top of everyone's voice - one of the highlights being the bridge of The Smallest Man W.