Celebrity Biggest Smiles of the Week What's making Jessica Simpson, Pamela Anderson and other stars so happy? Find out! By People Staff Published on August 1, 2006 05:25 PM Share Tweet Pin Email Trending Videos 01 of 08 JESSICA SIMPSON souza-jess/x17agency The former Newlywed steps out in Beverly Hills. What's got her smiling? 02 of 08 JESSICA SIMPSON souza-jess/x17agency Simpson reunites with sister Ashlee – who's been on the road for her U.S. tour – for a dinner date Monday at trendy Beverly Hills eatery The Ivy. 03 of 08 PAMELA ANDERSON FRA/Finalpixx The blonde bombshell is all aglow in Saint-Tropez. What's got her smiling? 04 of 08 PAMELA ANDERSON FRA/Finalpixx A bikini-clad Anderson and Kid Rock celebrate their Saturday wedding ceremony in Saint-Tropez. "It was the best most romantic wedding of all time," Anderson wrote on her Web site about her nuptials on the Altavida yacht. 05 of 08 MADONNA RICHARD YOUNG/AP Madonna gets hands-on Tuesday at the new Square of Fame at London's Wembley Stadium. The singer is the first celebrity to make her imprint at the exhibit, modeled after the one at Grauman's Chinese Theatre in Hollywood. 06 of 08 SCARLETT JOHANSSON INFGoff Johansson gets her thrills Monday while filming a video on the Cyclone roller coaster at Coney Island's Astroland amusement park in Brooklyn, N.Y. 07 of 08 HEIDI KLUM INFGoff The supermodel primps in London. What's got her smiling? 08 of 08 HEIDI KLUM INFGoff Klum catches up with her fellow Victoria's Secret model Gisele Bündchen backstage at a TV commercial shoot for the brand’s new Very Sexy Makeup line in London.