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

Katy Perry turned down Billie Eilish collab over “boring” music - Dexerto

Huge mistake': Katy Perry regrets turning down a Billie Eilish collaboration - NZ Herald

Katy Perry Declined to Work with Billie Eilish

Katy Perry reveals her regret after snubbing Grammy-winner Billie Eilish

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

Katy Perry Regrets Declining To Work With Billie Eilish

Katy Perry admits making 'huge mistake' when she passed up chance of working with Billie Eilish

Katy Perry Regrets Not Working With a Young Billie Eilish

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

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

Katy Perry reveals the one person she regrets turning down

Katy Perry reveals 'huge' mistake declining to work with Billie Eilish

Katy Perry's Regret: Singer Admits Turning Down Collab With Billie Eilish