Fans of Jessica Alba's dance sequences as Nancy Callahan in Sin City are in for a treat, as the sequel Sin City: A Dame to Kill For is going to feature more of the sexual strip tease from the actress.

Jessica Alba is currently in production on this anticipated sequel from directors Robert Rodriguez and Frank Miller. She will play an exotic dancer, with her story set after Hartigan's (Bruce Willis) suicide. Here, Nancy has to survive the remainder of the night with Yellow Bastard's (Nick Stahl) men on her trail. This sequence will see Nancy back on the stripper pole for some dancing that is reportedly quite crazy.

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Jessica Alba was interviewed at this years Sundance Festival and discussed the work behind her dance moves.

"I had to learn a bunch of dance sequences for it. I do a lot more dancing in this one. It was kind of crazy, it was very, very difficult, and you'll see why."

The actress trained for three months on the dance sequence. She is being reunited with Bruce Willis on screen, but it is not yet known if Nick Stahl will return to play The Yellow Bastard.