Jessica SimpsonJessica SimpsonDukes of Hazzard star Jessica Simpson has revealed: "I want to save the world".

The actress said she wants to do missionary work, visit Third World countries and adopt children.

In an interview with OK! magazine, Jessica also told how meeting Hollywood vixen Angelina Jolie left her with "an incredible peace."

Asked about whether she has plans to have babies with hubbie Nick Lachey, she told the magazine: "If I got pregnant, I'd be ecstatic, but we're not trying. We're definitely practising though!

"There's still so much stuff that we want to do together.

"We'd still like to do some mission work, visit Third World countries - I have this whole plan to save the world.

Angelina JolieAngelina Jolie"I've been visiting orphanages with my parents since I was a little girl. That has taught me so much about friendship and family.

"I definitely want to adopt. I don't know if we'll do it first or after, but we will."

Speaking about her meeting with Angelina Jolie, Jessica said: "Angelina is one of my biggest role models.

"I got to interview her recently. I didn't know her at all, but just sitting in front of her, I felt this incredible peace.

"She was breathtaking. I couldn't help but stare, but it's her inner beauty that you really feel.

"She's had her struggles and she's been open and honest and I love that about her."