Jessica Alba sought burlesque advice from Dita

Jessica Alba reportedly asked Dita Von Teese for burlesque tips ahead of her latest movie.

The actress reprises her role as Nancy Callahan in Sin City: A Dame to Kill For, which is a follow up to the 2005 movie. This time Nancy has moved on from being a stripper and is a burlesque dancer, with Jessica keen to make her portrayal believable.

Jess secretly worked with Dita Von Teese and other burlesque experts to deliver an incredible performance, a source told National Enquirer.

Everyone whos seen the number has been super impressed. Jessica is one of the sexiest women in Hollywood, so its not hard to believe that shed do an amazing job.

The 31-year-old actress was apparently behind Nancys transition in the upcoming release, which is due to hit screens in 2013.

Jessica and her husband Cash Warren are parents to young daughters Honor and Haven and the actress is keen for the tots to look up to her when they are older.

She wanted [Nancy] to be more developed and refined, the insider explained. Jessica has two little girls and wants to set a good example.

Sin City: A Dame to Kill For also stars Mickey Rourke, Michael Madsen, Rosario Dawson, Clive Owen and Jamie Chung.

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