Jessica & Ashlee: Different Lives

The Simpson sisters are both chart-topping singers and TV stars – but in their tastes they're worlds apart. Peek inside their lives. By Serena Kappes

3 of 10

THEIR ONSTAGE LOOK:

Ashlee (performing in West Hollywood in May) sports a rocker-chick look, in keeping with the styles of her music idols, Chrissie Hynde of the Pretenders and Janis Joplin. Sis Jessica favors couture – as in the one-of-a-kind Roberto Cavalli dress she wore during her Reality tour, which ended Aug. 1.