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

THEIR SISTERHOOD:

"We're only competitive when it comes to who has the better outfit or gets more of Mom's time," says Jessica, 24, of sister Ashlee, 20 (in New York City in May). "She usually wins, 'cause she's the baby." Says mom Tina of her rebellious younger daughter: "Ashlee likes to test the waters more than Jessica."