Celeb Fashion Hit or Miss?

Vote on this week's styles including Blake Lively, Reese Witherspoon and more stars! You decide – are they fashionistas or flops? By Andrea DeSimone and Melissa Liebling-Goldberg

JENNIFER LOPEZ

The star hosts a Children's Defense Fund reception honoring activist Marian Wright Edelman in Denver in a jewel-studded red turtleneck dress and matching heels.