Simpson, 44, took to Instagram on Wednesday, January 22, to show off her figure while modeling in a neon yellow maillot as part of her new Walmart fashion collection. Her one-piece featured a plunging neckline that hugged her curves with a fitted silhouette. The sunny piece came complete with dainty straps with a gold hoop detail.

Jessica Simpson is showing off her revenge body! The “With You” songstress stunned in a plunging yellow one-piece swimsuit while promoting her new Jessica Simpson collection via Instagram. “New season,

One day after Jessica Simpson announced her split from Eric Johnson, a source shared more insight into the couple's separation with PEOPLE.