Jessica Simpson Celebrated Her Birthday With an Old Pair of Jeans

Jessica Simpson shared an Instagram photo of herself sporting throwback True Religion jeans in the final hours of her 30s.

Jessica Simpson Celebrates 40th Birthday By Wearing 14-Year-Old Jeans

Jessica Simpson Slips Into 14-Year-Old Jeans to Celebrate 40th B-Day

Jessica Simpson Stuns In Curve-Hugging Jeans Ahead Of 40th

Jessica Simpson Says She 'Freaked Out' Before Turning 40

Jessica Simpson Celebrated Her 40th Birthday By Rocking A Pair Of

Jessica Simpson fits into jeans from her 20s to celebrate 40th

Jessica Simpson Marks the End of Her Thirties by Getting Back Into

Jessica Simpson Flaunts Her Voluptuous Figure In Sultury Denim-on

Jessica Simpson Wears No Pants During Date Night With Eric Johnson

See Jessica Simpson's Toned Legs in Daisy Dukes!

Jessica Simpson's Fans Have Mixed Feelings About Her 40th

Jessica Simpson's Best Sexy, Flirty Fashion Moments: Pics

Jessica Simpson bids goodbye to her 30s by sporting 14-year-old jeans

Jessica Simpson Bids Farewell To Her 30s By Rocking 14-Year-Old