The new video comes ahead of festival performances at Reading & Leeds next weekend and a UK headline tour next month.
In a statement, she said of the new video: “’Sad Girl Summer’ was so much fun to film. I got to smash up a whole table of stuff…I had a baseball bat and whacked the shit out of everything. It was amazing. It was a home run. Seriously though, it was one of the best things I have done so far.