Colbie Caillat going to be a best superstar mommy! On August 23, the "Austin" singer-songwriter, 39, officially announced that she is pregnant at six months and expecting her first child, a baby girl, four years after she and ex Justin Young called off their engagement, with a rare Foto of her Sekunde trimester ultrasound sonogram for her first doctor's appointment. A Tag later, Caillat debuted her growing baby bump in a live performance at a charity store event. Her hit track "Capri", from her 2007 debut album Coco, inspires the life of parenthood, women's health, pregnancy, labor, delivery,...