Seriously though, where can we get her outfit? It’s ah-mazing. This image appears in the gallery:Summertime Ball 2017 Live: The Best Photos From On Stage At Wembley 67. Seriously though, where can we get her outfit? It’s ah-mazing. Picture: Derek Bremner 118 images See the full gallery: Summertime Ball 2017 Live: The Best Photos From On Stage At Wembley