Jessica Simpson celebrates the ‘final days’ of her 30s by showcasing her toned figure

Her trainer revealed her exercise regimen last month that helped her lose 100lbs after giving birth to her third child in 2019.

Jessica Simpson took another opportunity to flaunt her trim figure on Friday as she celebrated the ‘final days’ of her 30s.

The 39-year-old singer stunned in a photo posted to Instagram that showcased her pert backside and a revealing two-piece suit.

Stunning figure: Jessica Simpson, 39, celebrated the ‘final days’ of her 30s by showcasing her pert derriere and her 100lb weight loss while wearing her own Rodeo bikini

Jessica, who turns 40 on July 10, posed on a rocky shore in a white bikini with brick red cow print splotches.

She was modeling the Rodeo triangle bikini top, which runs for $56, and the matching Hipster bottom, which costs $46, from her own Jessica Simpson swimwear collection.

The 5ft3in beauty also covered up with a sheer black shawl with floral embroidery and a black cowboy hat with gold cross, heart and starburst symbols in place of a band.

‘YEE-HAW to my final days in my 30’s,’ she captioned the photo. 

Having a laugh: Jessica was also feeling playful on Thursday, when she posted a set of sunglass selfies

Having a laugh: Jessica was also feeling playful on Thursday, when she posted a set of sunglass selfies

Mix and match: She posted two reversed photos of round leopard print sunglasses and square zebra stripe frames

Mix and match: She posted two reversed photos of round leopard print sunglasses and square zebra stripe frames

Jessica was also feeling playful on Thursday, when she posted a set of sunglass selfies.

‘Ummm I thought I purchased 2 different sunnies, but apparently it is just one pair,’ she wrote, adding the hashtag, ‘#OpticalIllusion.’

The Dukes Of Hazzard star beamed while wearing round-frame sunglasses in a leopard print, while she had a square zebra stripe set that sat above them.

She looked more serious in a second snap that flipped the glasses. 

On Wednesday, she paused to check in from a marathon book signing session for her hit memoir Open Book

On Wednesday, she paused to check in from a marathon book signing session for her hit memoir Open Book

Jessica seemed to be taking some time to relax after a marathon signing session for her her hit memoir Open Book.

She shared a photo of herself on Wednesday as she attended to a stack of copies while flashing a V-sign.

The With You singer showcased her youthful fresh-faced look while wearing a tie-dye T-shirt and matching sweatpants.

‘At it again…from my cozy place,’ she wrote in the caption.

Jessica’s memoir was well-reviewed by critics, with The New Yorker giving special praise for her writing skills and her gift for incisive descriptions.

Absent from Jessica’s recent posts was her husband Eric Johnson, as well as their three children: daughters Maxwell, eight, and Birdie, one, and their son Ace, six. 

Family time: Absent from Jessica's recent posts was her husband Eric Johnson, as well as their three children: daughters Maxwell, eight, and Birdie, one, and their son Ace, six

Family time: Absent from Jessica’s recent posts was her husband Eric Johnson, as well as their three children: daughters Maxwell, eight, and Birdie, one, and their son Ace, six

Loving display: On Sunday, the singer shared a sweet black and white photo of 40-year-old former NFL player with the children, along with a lengthy tribute

Loving display: On Sunday, the singer shared a sweet black and white photo of 40-year-old former NFL player with the children, along with a lengthy tribute

On Sunday, the occasional actress shared a sweet black and white photo of 40-year-old former NFL player with the children, along with a lengthy tribute.

‘My husband’s most beautiful quality is being the most thoughtful father in this universe,’ she wrote. ‘The way he teaches our children is by listening to them. He gives complete attention to what they do and what they need. He is present in EVERY moment keeping them safe, nurtured, and loved.

‘He is constant, always renewing the pleasure of just being alive. He knows that happiness is not just something you feel, it is who you are. He accepts all emotions completely. He is the peaceful leader of this family and is raising a precious tribe of soulful warriors,’ she continued.

‘There is no greater gift to this family than Eric Johnson. You are all our best friend, and we are yours. We are blessed, so very blessed my love. Happy Father’s Day to the GREATEST there is.’