She skateboarded onto the music scene as a grungy, tie-wearing Canadian teen back in 2002. But today Avril Lavigne is a full-blown businesswoman with an eye on taking over the world. She recently launched a Web site for her rocker-chic clothing line, Abbey Dawn, and already has two signature scents—Black Star and Forbidden Rose—under her studded belt. Find out what beauty products Avril can’t live without »

Photo: Mark Liddell