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

LEANN RIMES

The former child star still dressed girlishly in '04 (left). But this year, she released the album This Woman – and dressed the part (in Moschino, center, and J. Mendel). "One of the most remarkable makeovers of the year," says Kaufman. "With her hair slicked back, subdued makeup and a very elegant gown, she could almost be a Grace Kelly."