What's the Key to Getting Your Best At-Home Hair Color?

Giada De Laurentiis recently opened her first restaurant, Giada, at The Cromwell Hotel in Las Vegas, and we got to tag along for the grand opening! The Clairol Natural Instincts spokesperson - who showed off Amber Shimmer, her new, brighter hair color for Summer - took some time away from the kitchen to chat with us about her purse must have (hint: you get it at the grocery store) and how she protects her hair in between color sessions and heat styling, and she even gave us a DIY exfoliator reci...