Who's the Best-Dressed Star?

Weigh in on the style of Jennifer, Beyoncé, Jessica and 17 other celebs – then see who makes the top of the list in PEOPLE's Best & Worst Dressed issue, on newsstands Sept. 15. By Serena Kappes and Melissa Liebling-Goldberg

JENNIFER LOPEZ

Whether at a boutique or an awards show, this singer-actress exudes glamour, and knows just how to complement her curves with body-hugging shapes (left, in Dolce & Gabbana; center, Gucci; right, in a Geren Ford tunic).