The 31-year-old R&B star stunned in her topless portrait
, which the fashion mag shared on March 7. While she and husband Russell Wilson are looking forward to the arrival of their little one, the singer's son, Future Jr. (from her previous relationship with rapper Future), may be the most excited of all. "He'll randomly pull my shirt up and be like, 'I want to see the baby,'" Ciara told the mag. "'Hello, baby. How you doing, baby? I love you, baby. Okay, talk to you later, baby. Bye, bye.' Then he'll kiss me on my belly and put my shirt back down."