J.Lo, Beyonce, Gwen Stefani are tops in style

People's dapper men: David Beckham, Terrence Howard, Johnny DeppSept. 12, 2007NEW YORK - Beyonce Knowles, Jennifer Lopez and Gwen Stefani are among the stylish stars on People magazine’s list of best-dressed women of 2007.Katie Holmes, Penelope Cruz, Jessica Biel, Cameron Diaz, Drew Barrymore, Reese Witherspoon and Ali Larter are other sharp dressers singled out in the magazine’s “Best & Worst