Ciara is back!This week, the singer revealed that she's back to her pre-baby weight, having lost nearly 40 pounds with the help of Weight Watchers, for which she's an ambassador. A post shared by Ciara (@ciara)"Goodbye to those last 10lbs I've been working on these past 5 weeks, Hello to me-pre baby weight! I'm so proud of myself– down 39 pounds on my @ww journey!" she captioned an Instagram image on June 15.