Fun Facts About Billie Eilish
10 Things You Might Not Know About Billie Eilish — Including Her Belieber Roots
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Eilish started writing songs at age 11. Watching The Walking Dead struck her with inspiration. "My first real song was about the zombie apocalypse actually, which is weird because it's out and nobody knows that that's what it's about," she told Harper's Bazaar. "It's called 'Fingers Crossed.' I literally just watched The Walking Dead and I took little lines from it."