Article continues below advertisementJamie-Lynn Sigler reflected on her post-divorce romance with Entourage costar Jerry Ferrara in her new memoir, And So It Is, which was released on Tuesday, May 5.The couple dated for one year before going their separate ways in 2009.The actors met on the set of the HBO showbiz drama, on which they played love interests, and they "quickly fell into the rhythm of a serious relationship," she wrote.