It should be noted that not everyone was always so cool about fashion designers being invited by theaters to design costumes. Back in the day when designers were first being offered the position of costumiere, traditionalists like Italian opera director Franco Zeffirelli made quite a stink. Zefirelli called the collaborations "shameless" (and now, twenty-five years later, Franco's still cranky).

Of course, the opera and fashion worlds are now regular bedfellows. Here, Opera Chic's guide to the fashion world's most passionate opera fans.

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