Nicole Richie is a "completely dedicated mom" according to Joel Madden. The Good Charlotte rocker - who has an eight-month-old daughter Harlow with the star - is constantly surprised by Nicole's parenting ability.

He said: "Nicole is completely dedicated. I do whatever she tells me to do. I'm cool with that. She's really good with the baby. I'm really good with finances. All of Harlow's education and all that stuff, I already have planned."

Ashlee Simpson threw a "white-trash" themed birthday party. The pregnant singer, who is married to Fall Out Boy rocker Pete Wentz, celebrated turning 24 with a fancy dress bash at her parents' Los Angeles home last weekend.

One guest revealed: "It had a white-trash theme. Ashlee wore Daisy Duke hot-pants and platform flip-flops with a bathing suit and a fake tattoo around her belly."

Paris Hilton wants "three or four children" with boyfriend Benji Madden. The hotel heiress - who was introduced to her Good Charlotte rocker boyfriend when best friend Nicole Richie started dating Benji's twin Joel - is already planning her future with the musician, and thinks he would make a fantastic father.

She said: "I definitely want three or four children. And soon - maybe a year or two."

Nicole Richie wants another baby. The TV star - who gave birth to daughter Harlow eight months ago - has hinted she is ready to extend her family, saying: "If it happens, it happens."

Nicole - the adopted daughter of singer Lionel Richie - and her Good Charlotte rocker fiance Joel Madden have also spoke about Harlow's progress, revealing she has already started forming her first words.

Paris Hilton and her boyfriend Benji Madden act like children to keep their "love young."

The socialite has revealed she enjoys visiting theme parks and amusement arcades with the Good Charlotte rocker because it ensures their relationship remains fun.