mr. brad pitt? >> these kids asked me the other day. i asked them if it was because they wanted to have a big cake. >> reporter: did they ask you that? >> they have asked because they see movies that have, you know, people get married in the movies or somebody's, you know, the happily ever after. shrek and fiona are married, and we've explained to them our commitment when we decided to start a family was the greatest commitment you could possibly have. once you have six children, you're committed. >> reporter: while she is still committed to acting, jolie says there is much more on her road ahead. >> i just feel there's so many great actresses in the world, and they have so much to do, and they are doing great things, and they don't need me. i'm not -- i don't feel needed in a position of being an actor. i feel like i'm needed at home as a mom. i'd love to be able to write or direct or work on or produce more projects about issues dealing with situations that i feel passionate about. >> reporter: for "nightline," i'm christiane amanpour

mr. brad pitt? kids ask me the other day and i asked them if it was just because they wanted to have a big cake. >> reporter: do they ask you that? >> they have asked, yeah. they see movies that have, you know, people get married in the movie, or somebody is, you know, the happily ever after. shrek and fiona are married. we explained to them, once you have six children, you're committed. >> reporter: and while she's still committed to acting, jolie says that there is much more on her road ahead. >> i don't feel needed in a position of being an actor. i feel like i'm needed at home as a mom. i would like to write and work on, produce more projects about issues dealing with situations that i feel passionate about. >> reporter: for "nightline," i'm christiane amanpour in new york. >> "in the land of blood and honey" is in select theaters now. >>> up next, we interview a man who is just not like other guys. did you know you can be smart about your calorie intake, and still get the nutrition your body ne

mr. brad pitt. >>> the latest on charlie sheen's ex.xt after her cocaine arrest. >>> demi moore, why she's in tears. >>> tom cruise in mumbai, india, on his way to dubai, where mark steines is kicking off mission impossible monday. >>> the hollywood sex files and the new movie opening up the lid on addicts. "e.t." investigates the truth. >> is sex addiction real or an excuse to cheat? >>> about 10% who think they are sex addicts are. >>> why holidays are extra special for katherine heigl this year. >> we can build up anticipation for christmas morning. >>> what pregnant jessica simpson is eating. >> peanut butter is one of my main cravings. french fries, grilled cheese. chicken nuggets. >>> in depth on the biggest entertainment stories from around the world. >> hi, everybody and welcome to "entertainment tonight," i'm nancy o'dell. mark steines is on assignment. >>> she has the legs everybody wants. she seems to have it all, casting a spell on all of us with her classic beauty and fairy tale life with brad pitt and their six children. i