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She wowed Twilight fans at the Paris premiere of Breaking Dawn - Part 1 in a figure-hugging navy Givenchy dress, but that was nothing compared to the look Ashley Greene rocked while promoting the flick in Belgium on Wednesday.

Greene hit the carpet alongside her co-star Robert Pattinson in a gold beaded L'Wren Scott mini dress with a sexy low-cut neckline. She accessorized with gold jewelry and wore her hair down and super sleek.

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The actress, 24, was recently named the latest brand ambassador for DKNY. Greene -- who's currently dating Broadway star Reeve Carney -- will appear in a global ad campaign for the Spring 2012 collection. The campaign will be photographed by Inez van Lamsweerde and Vinoodh Matadin.