Hollywood's Dazzling Dozen

PEOPLE's fashion expert Susan Kaufman picks the 12 most stylish starlets under 30 – and explains their appeal. By Serena Kappes

LINDSAY LOHAN

Lohan, 18, is "having a good time and her clothes are reflecting that," says Kaufman of the Mean Girls star (from left: in a lacy minidress; wearing a Hermes belt and Gucci bag; in Stella McCartney pants). "She's really having fun with the trends but in an accessible, wearable way. She's most like the 'everygirl,' which is why so many people can relate to her."