Charli XCX is officially bringing “brat summer” to the Mercury Prize – after being shortlisted alongside other artists including Ghetts, Barry Can’t Swim and Nia Archives.

The acclaimed singer-songwriter has made the 12-strong shortlist for the second time with her blockbuster sixth album Brat, the force behind the viral trend that has even become part of the presidential race.

Described by the star, whose real name is Charlotte Emma Aitchison, as being representative of a “girl…