Actress Rosamund Pike is a confirmed 'Swiftie' after she was spotted 'shaking it off' at the superstar's concert in Cardiff. <br /><br />The Saltburn star was seen in the crowd as popstar Taylor Swift continued the UK leg of her Era's Tour at the Principality Stadium in Cardiff, Wales, on Tuesday (18/6). <br /><br />The 45-year-old is also famous for being in Die Another Day, Pride and Prejudice, Jonny English Reborn and Gone Girl.