Jessica Alba returns to the big screen as the sexy stripper, Nancy Keller, in Sin City: A Dame To Kill For. The actress sat down with Rosci Diaz to discuss her latest film and the evolution of her character . Alba revealed how she prepared for her strip dances, being confident with herself and even spoke opened up about her personal life, including motherhood. The new Sin City flick hits theaters later this month on August 22nd! To check out the interview, click below.