Why Blake Lively and Ryan Reynolds felt it was the 'perfect time' to have baby No. 4

Blake Lively and husband Ryan Reynolds' group of five becomes a family of six! On September 15, the gorgeous 35-year-old Gossip Girls alum shocked the world when she debuted a baby bump at the 10th annual Forbes Power Women's Summit in New York City. . Two days later, Blake doubled down on her pregnancy reveal by posting a series of super cute Instagram photos, which included intimate moments she and Ryan shared during her current pregnancy. And while the news seemed sudden, HollywoodLIfe has learned EXCLUSIVELY that the parents of James, 6, Inez, 4, and Betty, 2, gave it a lot of thought and felt the timing was "perfect...