Olivia Rodrigo and Hayley Williams have teamed up

Olivia Rodrigo fans, you NEED to see this!!!

Since the release of Olivia Rodrigo's album 'SOUR' lots of fans have noticed similarities between 'good 4 u' and Paramore's 'Misery Business'. Well, now it's official...

Rodrigo has given 'good 4 u' songwriting credits to Paramore frontwoman Hayley Williams and guitarist Josh Farro, who penned the 2007 single 'Misery Business'.

AND NOW... WE HAVE AN OFFICIAL MASH UP!

Hayley Williams invited Olivia on stage to sing her song.

Check it out here: