This week, the singer shared a photograph from the big day of herself and daughter Maxwell in matching white dresses and holding hands.
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Jessica Simpson: 'I am madly in love with this moment!'
Jessica, 34, was maid of honour at Ashlee’s nuptials, while her two-year-old served as a flower girl.
She captioned the adorable picture: "Bridesmaid and flower girl for @ashleesimpsonofficial and @eross88. I am madly in love with this moment!"
Ashlee, 29, and Evan, 26, tied the knot in a romantic ceremony held at the Greenwich home of the groom's mother Diana Ross. The Motown icon also officiated the bohemian wedding.
Jessica Simpson celebrated husband Eric Johnson's 35th birthday on Monday
It's been a year of celebrations for the Simpson family – Jessica married her longtime fiancé Eric Johnson at San Ysidro Ranch on 5 July, in front of some 300 guests.
On Monday, the couple marked Eric's 35th birthday, with Jessica sharing an Instagram photo of her cuddled up to the NFL star.
"Happy Birthday Husband of Mine," she wrote next to the photo.
Jessica Simpson: 'I see our daughter Maxi in this pic!! Wow'
She later posted a throwback picture of Eric playing the saxophone, with the caption, "Eric Mawell Johnson is 35!!! Let's all celebrate the saxiest MAN I know!!!"
Jessica then posted a second photo of her husband as a child, writing: "I see our daughter Maxi in this pic!! Wow."