Jessica channeled her inner Britney Spears at the 28th annual American Music Awards in 2000.
American Foto Features
Jessica celebrates the launch of her first album, Irresistible, in 2001.
It's wedding bells for Jessica Simpson and Nick Lachey! The two tied the knot in 2002.
Jessica took on the role of Daisy Duke in the 2006 remake of The Dukes of Hazzard.
Despite recovering from laryngitis, Jessica performed on the Today Show in 2006 looking cute as a button with a flower in her hair.
Proud designer Jessica debuted her Swimwear Collection during the Mercedes Benz Miami Fashion Week in 2007.
In 2007, Jessica's blond locks went brown at the Metropolitan Museum of Art Costume Institute Benefit Gala.
Wearing the jeans that set off a thousand blogs, Jessica performed at the 2009 99.9 Kiss Country 24th Annual Chili Cookoff Concert in Pembrook Pines.
Jessica has been heavily involved with the charity Operation Smile. Here she is at an Operation Smile event in 2009.
Jessica showed off her curvy physique on the red carpet for the gala opening of the Casino Club on July.
A happy Jessica celebrates her 20th birthday with a cake printed with her own face!
As Jessica Simpson turns 30, here’s a look back at the star over the years.