Crois Tu Vraiment to Warren Beatty in 5 Steps

1. Crois Tu Vraiment was written by Karo
2. Karo wrote Crois-Tu Vraiment
3. Crois-Tu Vraiment was written by Harry Nilsson
4. Harry Nilsson was initially going sing backup on Carly Simon's You're So Vain
5. You're So Vain might be about Warren Beatty

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