10 Most Stylish Stars

From the always chic Nicole Richie to the much improved Ashlee Simpson – check out the top fashion icons of 2005, as selected by PEOPLE style expert Susan Kaufman. By Emily Fromm

SCARLETT JOHANSSON

The Match Point star looks polished whether she's casual (left) or dressy (in Marchesa, center, and Moschino). "She has a total va-va-voom figure, and she's really not a very trendy dresser," says Kaufman. "She can do that old Hollywood thing – showing off her curves, putting on the full hair and makeup. She's going to be one of the perennial best-dressed."