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QVC fashion and beauty host Lisa Robertson was one of the best dressed at the Metropolitan Museum of Art's Costume Institute Gala and we were with her as she prepared for the big night.

The Met Gala, nicknamed the Oscars of fashion, welcomed high-profile guests such as Sofia Vergara and Leighton Meester. One thing these ladies had in common with Lisa? They were all dressed in Marchesa.

PICS: The Fabulous Fashions of The 2012 MET Gala

Lisa wore a magenta Marchesa creation, which fashion insider Lori Goldstein gave her ultimate stamp of approval.

"Everything is so beautiful -- the proportion, the flowers, the draping," said Lori, who's worked with every major name in the business.

Watch the video for more.