According to the British Phonographic Industry page, Paramore’s Ain’t It Fun from their self-titled album is certified Platinum in the UK as of January 10th this year! The song sold over 600,000 units in the UK, joining Hard Times with this BPI certification.
It’s a first Paramore song to get a BPI status update this year. Last yearThis Is Why went Silver, in August Still Into You scored a double Platinum and in September Rose-Colored Boy was certified Silver.