LaUrEn CoNrAd TaKeS On A NeW CaUsE: DaTiNg ViOlEnCe

Amid filming the fourth season of The Hills, Lauren Conrad can still find time for a cause close to her heart – fighting violence.

Part of the profits from mark, the beauty and accessories line she promotes for Avon, will be donated to groups involved in stemming dating violence, Conrad writes on her MySpace celebrity blog.

"I have partnered with mark in its first initiative, aimed at ending the cycle of dating abuse and violence. Women ages 16-24 experience the highest rates of partner violence, and mark and I want to change that statistic," writes Conrad.

Twenty dollars from every $22 "Have A Heart" necklace sold will help fund the project.

Conrad, 22, says she will serve as honorary co-chair of a panel that will select up to five organizations that will receive the funds.

"Abuse is a devastating cycle. By purchasing this necklace for yourself and your friends, you'll support the cause and raise awareness," she adds about the project.