Jessica Simpson Shares Photos From Her Son's Birthday Bash

— -- Jessica Simpson's son Ace Knute turned two on Tuesday, and his famous mother shared photos from his celebration.

"Happy Birthday Ace #2," she wrote next to a family portrait.

Simpson, 34, and her husband Eric Johnson feted the occasion by throwing a birthday party for the toddler complete with a blow-up slide.

The couple, who will celebrate their first wedding anniversary on Sunday, are also parents to a daughter, Maxwell, who turned three in May. At the time, Simpson reflected on the fact that her kids are growing up.

"I am in complete denial," she wrote.

"2yrs OLD?!?! Can we live here forever? I love you Ace Knute Johnson. Happy Birthday!"

"Ace Knute channeling his inner Harry Styles on the way home from dinner tonight #HappyBirthday #2"