Blake Lively Desire to Be an 'Old-Fashioned Mom

By Aazam

She's expecting her fourth baby during an appearance at the 10th Annual Forbes Power Women's Summit on Thursday

Her kids are her first priority over everything," a source tells PEOPLE

She wants to be that old-fashioned kind of mom," the insider continues, "when the kids are out or sleeping that's when she makes time to do work stuff

She shared that it's important for her three daughters to "see that you don't have to choose one or the other

"I don't need them to choose to be a businesswoman or a mom

Lively went on to explain that because she's "so obsessed with my family," she tries to only take on projects that she can "really believe in

I want to create something that is missing and I love for my kids to see that across all areas

John Travolta of his 22-year-old daughter Ella, who also released her debut single