This shimmering Oscar de la Renta gown Dominican model Arlenis Sosa Peña is wearing may look familiar — Jessica Biel recently wore it at the Rome Film Festival. The actress may have gotten her hands on it, but did you know that Arlenis is one of the designer's favorite models? So much so that she opened and closed his Spring '09 show. She was even Oscar's guest to the Met's Costume Institute Gala.

The 19-year-old, who was discovered while walking to class in the Dominican Republic, is bringing much-needed diversity to the catwalk. Whether in posh ball gowns or racy getups, Arlenis brings major flavor to her work. She is also now part of the Lancome family. Oh, and she calls fellow models Chanel Iman and Caroline Trentini close friends.

To see more of the dark beauty, read more.

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