Pop star Ashlee Simpson is re-teaming with shoe company Candie's to raise awareness about teen pregnancy.The Pieces Of Me singer, who worked with Candie's in the autumn to encourage people to vote, will co-headline The Event To Prevent concert on May 3rd at New York City's Gotham Hall.

The Candie's Foundation event will also feature Jewel and will honour US newswoman Katie Couric and actress Jane Fonda.