"So far I've gained 25 pounds and am loving my body!" Spelling, 34, told photo agency Startraks during the March 20 shoot in Beverly Hills. "I'm eating whatever my body tells me it needs and wants.
"I love my growing belly and the curves I'm taking on," she added.
Spelling, who is already mother to son Liam, 1, said the second time around is a breeze.
"During my first pregnancy with Liam, I spent a lot of time worried about my weight and how big I was getting and how I would lose it afterwards," she said. "But once I wasn't pregnant anymore, I missed it. I loved being pregnant!
"And now I know that it is possible to get back your body with diet and dedication," she said.