Jessica Biel dons a little black dress to steam up the pages of Gotham magazine, on stands Monday. Read on to find out the inspiration for the pics...

Jessica's 1930s sex appeal is a nod to her latest movie, the period piece 'Easy Virtue,' and she tells the magazine that her fiesty character has all the characteristics that she wants to be as an actual women saying, "She's so effortlessly witty and sarcastic and fantastic and glamorous and tough, and she's cool as a cucumber -- but at the same time extremely vulnerable, and a real person who is hurt by these experiences."

As for her modern-day mark as a sex symbol, she says, "I've made a mark, all right. But balancing the idea of being very sexy and then also being really attainable, kind of a girl-next door quality, is really important."

Watch ET for more with Jessica!