Ms. Koch stopped by the Lincoln Center theater named for her husband, David Koch, looking preternaturally fresh in summery pink. She was celebrating the Paris Opera Ballet with a look that wouldn’t be out-of-place on the Champs-Élysées–the unusual neckline and fun, quirky bow couldn’t be more delightful! Ms. Koch was bound to be the center of attention at the event anyhow, but now it feels… earned.

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