AceShowbiz -

Jessica Simpson posted on Instagram a black-and-white picture of her relaxing on a lounge chair while showing off her toned body. She wrote alongside the picture shared on July 15, "Jessica Johnson." There is still no confirmation from Jessica if she has changed her last name to her husband's surname.

In the picture, Jessica wears a printed one-piece swimsuit with oversized sunglasses to complete her look. Her blonde hair falls loose around her shoulders as she sits down on the lounge chair while crossing her toned legs. Her left hand brings a glass of iced drink while her right hand touches her sunglasses. The photo was allegedly taken during her honeymoon.

According to Us Weekly, Jessica and her husband Eric Johnson (II) had their honeymoon at Four Seasons Punta Mita Resort in Mexico. A source told the site that the couple was "lounging around at the resort and enjoying their first week together as husband and wife."

Jessica said "I do" to Eric on July 5 at San Ysidro Ranch in Montelito, California. The lavish nuptials was attended by 275 guests. Jessica previously told PEOPLE, "It's an overwhelming feeling to finally be his wife."

Jessica worked hard to get back in shape after giving birth to her second child. She previously said, "Everybody thought I was going to wear a dress that completely showed off my new bod. but I can't help but want a princess dress! I'm a Southern girl at heart. I like everything big!"

Meanwhile, Eric praised Jessica, "She was all lit up and beautiful." He recalled their wedding, "I think my heart was exploding a bit."