Jessica Simpson models SKIMS from friend Kim Kardashian whose daughters are best pals

Jessica Simpson has donned another SKIMS outfit given to her by her good friend Kim Kardashian.

In a photo she shared on her Insta Stories, Simpson can be seen in a form-fitting dark brown catsuit making the most of her figure after losing 100 pounds following the birth of her three children.

Simpson and Kardashian became friends after the blonde beauty’s daughter, Maxwell, befriended reality TV divas mini-me North at school.

SKIMS Friend: In a photo she shared on her Insta Stories, Simpson is seen in a form-fitting brunette unitard making the most of her figure after losing 100 pounds after giving birth to her three children

The Kim Connection: Simpson and Kardashian become friends after the blonde beauty’s daughter, Maxwell, befriended reality TV divas mini-me North at school

Kim is not the only one giving a product.

Jessica also gifted Kim two necklaces from her Jessica Simpson collection: On Reads Kim and the Other North.

In July, Jessica modeled a nude SKIMS dress when: at Los Angeles International Airport with her two oldest children.

Just days after her daughter Maxwell flew the private jet from Kardashian to Wyoming for her friend North’s ninth birthday.

Another SKIMS look: In July, Jessica modeled a nude SKIMS dress while at Los Angeles International Airport with her two oldest children

SKIMS is now huge: Kim’s underwear business has grown tremendously

The Texas-born pop star, who has built a very successful retail empire over the years.

In April, the Open Book author revealed that she had gained and lost 100 pounds three times in her life after her three pregnancies with Maxwell, Ace and three-year-old Birdie Mae, who she shares with husband Eric Johnson.

At the time, the star attributed her slimmer frame to a lot of “hard work, determination and self-love” as she shared a photo of herself in a bikini.

Kim said thank you: Kim is not the only giving product. Jessica also donated to Kim two necklaces from her Jessica Simpson collection: On Reads Kim and the Other North

She also has one: Seen Jessica in one of the name tag necklaces

Her 5.8 million Instagram followers left hundreds of supportive comments, with many other moms calling her an “inspiration” and praising her transparency.

“Great performance, not only the weight, but also the confidence. Love to see it! And you look amazing!!’ one fan wrote in the comment section, while another: ‘You look amazing!’

In her memoir, Open Book, Jessica said she had two tummy tucks in 2015, but ended up in the hospital for nine days after contracting an infection after the second procedure.

A supportive friend: Kim reposted Jessica’s ad from her fall collection this year

“I wanted to get rid of the stretch marks and loose skin left by my back-to-back pregnancies,” she said in her book. “I was so ashamed of my body at the time that I wouldn’t let Eric see me without a white T-shirt on.”

She continued: ‘But the second procedure led to complications: ‘I got an infection – colitis – and vomited so much that I thought I was going to break my stitches. … Doctors spoke earnestly about needing a blood transfusion.’

Flashback: Simpson pictured pregnant with her first child in 2012