Huge mistake': Katy Perry regrets turning down a Billie Eilish

Katy Perry Reflects on 'Mistake' of Not Working With Billie Eilish

Katy Perry admits turning down 'boring' Billie Eilish is biggest mistake of her career - Mirror Online

Katy Perry Regrets Declining To Work With Billie Eilish

Billie Eilish's Collaboration Request Was Once Turned Down by Katy Perry, Now Katy Regrets

Katy Perry opens up on 'huge mistake' of turning down Billie Eilish's hit song

Huge Mistake, says Katy Perry on declining to work with Billie Eilish – ThePrint – ANIFeed

Katy Perry Says She Once Refused to Work With Billie Eilish Because She Was 'Boring'—Watch the Video

Huge Mistake', Katy Perry Regrets Rejecting Billie Eilish's 'Ocean Eyes

MM News

Katy Perry reveals “huge” mistake declining to work with Billie Eilish - AS USA