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

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

Nick Lachey weighs in on ex-wife Jessica Simpson's bestselling memoir, more news, Gallery

Jessica Simpson celebrates 6-year wedding anniversary with Eric

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Jessica Simpson Celebrates Six Years of Sobriety by Resharing a

Emmy nominee says he's in a wheelchair and 'can't walk' after painful accident, more news, Gallery

Jessica Simpson unrecognisable in flashback photo of when she

Jessica Simpson weight loss: Instagram photos have fans worried

Jessica Simpon's husband shares wedding pics on 7th anniversary

Jessica Simpson claps back at haters after concerning Pottery Barn

Jessica Simpson's Wedding Dress Flashback

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