Katy Perry reveals ‘huge’ mistake declining to work with Billie Eilish
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Katy Perry reveals ‘huge’ mistake declining to work with Billie Eilish

She was the one that got away. Katy Perry revealed her “huge” regret of passing up an opportunity to work with Billie Eilish. The “California Gurls” hitmaker said she had the chance to collaborate with Eilish on her hit track, “Ocean Eyes” — but declined after thinking the song was…