Tilda Swinton wore Haider Ackermann at the 2011 Cannes Film Festival “We Need To Talk About Kevin” Premiere tonight.

I’m sure like me many of you expected Tilda to opt for this designer, as she’s been known to work closely with Haider Ackermann on many occasions.

Her Fall 2011 custom-made dress is inspired by a similar look on the runway.

The navy satin runway pants have become a sleek asymmetrical high-waist skirt with pockets and a side split.

Tilda’s added a Haider Ackermann scarf collar silk shantung top to complete the look.

Some of you complained about Tilda’s lack of make-up at the photocall, but she added some pink lippie on this occasion.

An Olympia Le-Tan clutch and some unfortunate Jil Sander pumps completed her look.

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Credit: Style.com & Getty