In an exclusive cover story for US Weekly , Jessica Simpson shares the first official photos of her son, Ace Knute, born June 30 via C-section.

“With two kids, we have our hands full, but every day is a new adventure,” Simpson told the magazine. “It’s fun! I feel very at peace with being a mom.”

“Pregnancy is a lot,” she continued. “It was hard to do two so close together. I have this huge sense of accomplishment, and I feel in my heart that I’m done. But obviously, accidents do happen!”

Ace is the second child for Simpson and her fiance, Eric Johnson. They also have a daughter, Maxwell, 15 months (pictured).

For more on the exclusive interview, click here.