KEY POINTS:
Beyonce Knowles, Jennifer Lopez and Gwen Stefani are among People magazine's list of best-dressed women of 2007.
Katie Holmes, Penelope Cruz, Jessica Biel, Cameron Diaz, Drew Barrymore, and Ali Larter are other sharp dressers singled out in the magazine's Best & Worst Dressed double issue.
As for the men, David Beckham, Terrence Howard and Johnny Depp meet People's standards for always stepping out in style.
Janet Jackson and Kirsten Dunst are cited for wearing the "worst red carpet dresses" of the year.
