Photo flashback: Jessica Simpson's life and career in pictures, Gallery

Celebrate Jessica Simpson's 40th birthday by taking a look back and her life and career in pictures!

Photo flashback: Jessica Simpson's life and career in pictures

Jessica Simpson Shares Throwback Photo of Her Baby Bump While

Beautycon Flashback: Inside Jessica Simpson and Daughter Maxwell's

Jessica Simpson Looks Fitter Than Ever in Latest Instagram!

Jessica Simpson Starts Over

Photo flashback: Jessica Simpson's life and career in pictures

Jessica Simpson Shares 'Unrecognizable' Photo Before Sobriety

Beautycon Flashback: Jessica Simpson on How Her Husband Keeps Her

Jessica Simpson Recalls Secret Romance With 'Massive Movie Star

Jessica Simpson In The Press Room For The 32Nd Annual People'S Choice Awards, The Shrine Auditorium, Los Angeles, Ca, January 10, Photo By, Jessica Simpson 2006

Jessica Simpson's Life and Career In Photos

Simpson jessica hi-res stock photography and images - Alamy

Jessica Simpson's Daughter Maxwell Dances to Mom's Hit 'Public Affair