Fit Mom Sia Cooper Has Flat Tummy - and Abs - Just Days After Giving Birth
"My body just knew to go back to how it began because I chose to put forth the hard work of taking extra good care of it during pregnancy," Sia Cooper tells PEOPLE
People.com — "My body just knew to go back to how it began because I chose to put forth the hard work of taking extra good care of it during pregnancy," Sia Cooper tells PEOPLE more info