Hayley Williams of Paramore has led a ‘Happy Birthday’ singalong with her band’s crowd at Austin City Limits, directing the message to Flea on his 60th birthday.Paramore’s set at the Texan music festival took place on October 16, and included Williams’ tribute to the Australian rocker – who she said she’s “loved… since I was 8 years old and it was really inappropriate”. The frontwoman ended the iconic song on a high-note, to rapturous crowd applause.Flea – who is the bassist of fellow Austin City Limits act Red Hot Chilli Peppers – later referenced Williams’ tribute during his band’s own set at the festival, before enjoying another rendition of ‘Happy Birthday’ from bandmates Anthony Kiedis, Chad Smith and John Frusciante.