Diane Kruger

Diane Kruger in Valentino, with director Alice Winocour, at a talk for Disorder in New York, New York, August 2016, left; Kruger in Alexander McQueen at the premiere of Disorder in New York, New York, August 2016, right.

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Who: Diane Kruger.

When: Tuesday, August 9.

Where: First, with director Alice Winocour for a talk about their new movie Disorder; then, at the film's New York premiere.

What: A Valentino bomber, button-down, and lace skirt; and an Alexander McQueen dress with Chopard jewels.

Why: Kruger does the day-to-night transition flawlessly — and makes it look easy while she's doing it. First, a street style-ready outfit composed of pieces with varying tones. Her bomber eases the preppiness of the striped button-down, and adds a bit of edge to a romantic lace skirt. For her night look, she opts for a statement McQueen dress in broderie anglaise with billowing sleeves and a wrapped belt. Oversized Chopard earrings top off the whole thing, and there's not a false note in sight.