Fashionably 30-Something

Catherine Zeta-Jones, Renee Zellweger and other stars look better today than they did in their twenties – PEOPLE style expert Susan Kaufman explains why. By Emily Fromm

RENÉE ZELLWEGER, 36

In her twenties, Zellweger (left, in 1998) was still searching for her one true style. "In her thirties, she found it," Kaufman says. Her go-to look: a figure-hugging party dress by Carolina Herrera, high-heeled pumps and a sleek coif (at the L.A. premiere of Cinderella Man in May).