0331_emma_launch Talk about a movie star! 

Emma Watson looked gorgeous at the premiere of "Noah" in London, England on Monday.

Wearing a white, one-of-a-kind Ralph Lauren Collection silk halter gown, the 23-year-old looked every bit a Hollywood starlet at Odeon Leicester Square.  

Watson completed her look with a side-parted updo, a peach lip and sported minimal makeup for the event.  

We gotta say, the actress -- who has been sporting darker colors through the length of the promotional tour -- looks amazing in the white dress. 

She's definitely becoming a fashion icon! What do you think about Emma's red carpet ensemble?

Tell toofab in the comment section below and click "Launch Gallery" above to see even more of her style through the years!

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