JESSICA SIMPSON AND ZZ TOP LEGEND

Dusty Hill And Jessica Simpson

Sexy pop singer Jessica Simpson shares a laugh with ZZ Top bassist Dusty Hill during a rehearsal of "These Boots Are Made for Walkin'" at Marine base Camp Pendleton near San Diego California yesterday. Jessica, who will be younger sister Ashlee's maid of honor at her upcoming wedding to 'Fall Out Boy' Pete Wentz, later joined Snoop Dogg, Janet Jackson, Ne-Yo and Pamela Anderson at the three-hour concert for nearly 35,000 fans.