Jessica Simpson is now mommy to three children. Simpson and her husband, former NFL player Eric Johnson, announced their daughter Birdie Mae Johnson was born on Tuesday. According to PEOPLE, baby Birdie weighed 10 pounds, 13 ounces. The couple already has two children, five-year-old Ace Knute and six-year-old Maxwell Drew. Back in January, Simpson threw a "Birdie's Nest" baby shower where she revealed the baby girl's name.