Rachel McAdams mixes it up at the Cannes Film Festival

rachel-mcadams-cannes-white.jpgThe 64th Annual Cannes Film Festival is upon us, which means gorgeous photos of gorgeous people in gorgeous places. Rachel McAdams is in France to support her latest movie, "Midnight in Paris," directed by Woody Allen.

With bright highlights in her hair, McAdams opted for two very different looks. As she arrived, she wore a Maxime Simoens white shift dress with floral accents and nude peep-toe pumps. She was accompanied by boyfriend Michael Sheen, who also worked with her on the film, Allen, and co-star Owen Wilson.

Later, at the Opening Ceremony and the "Midnight in Paris" premiere at the Palais des Festivals, McAdams dazzled with undone, wavy hair and a sheer lacy red gown.

Which look do you prefer?

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Photo/Video credit: Getty Images