12 Ways to Beat the Heat Like a Star!

See how Jessica Simpson, Matthew McConaughey, Jennifer Lopez and others stay cool in summer

  • 12. WEAR A HAT  photo | Uma Thurman

Credit: RAMEY

Updated: Tuesday Jul 22, 2008 | 06:00 AM EDT

12. WEAR A HAT

Uma Thurman keeps her flawless features protected under her stylish floppy hat while vacationing on the island of Corsica in the Mediterranean Sea.