Rachel McAdams Debuts Gorgeous New Platinum 'Do Ahead of the Oscars

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Looking great, Rachel!

Looking amazing, Rachel McAdams!

The Spotlight star debuted a brand new platinum blonde hairdo on Wednesday during the Vanity Fair and Barneys New York dinner honoring the film's director, Tom McCarthy.

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The look is straightened up and lighter than what we've seen in the actress' previous wavy style.

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Of course, one thing that definitely has Rachel going for the gold is her first-ever Oscar nomination! She is up for Best Supporting Actress for her role in Spotlight.

Best of luck!

Don't miss ET’s live Academy Awards pre-show on Pop this Sunday, Feb. 28., starting at 5 p.m. ET/2 p.m. PT. Go to PopTV.com to find out where to watch.

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