While Rachel McAdams has been on a three-month long tear promoting The Time Travelers Wife, we bet the only time she wishes she could wind the clock back Saturday, when she showed to a film festival in France in this Stella McCartney jacket.

While the black lace number is high-fashion and flattering, it was also done three days early by Rumer Willis.

Young Rumer donned the same jacket (paired with cigarette pants and a clutch) at Wednesday's Sorority Row premiere.

So who wore it best?

Though we're huge fans of Rachel's Time style, Rumer embodies the vintage chic of McCartney's label with her beauty and accessory savvy.

Who do you think rocked the jacket harder? Tell us in comments.

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• TAGS
• Style
• Rachel McAdams
• Rumer Willis
• Sorority Row
• Stella McCartney
• The Time Travelers Wife
• Who Wore It Best

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