Jessica Simpson is rumored to be jealous after knowing her sister Ashlee is expecting a baby. According to sources, the singer has always wished to become mom and has never thought her sister would be pregnant before her. The insider tells OK! Magazine, “Jessica Simpson has yearned for a baby for years. She’s told friends that she can’t wait to be a mom and has even joked that if she has to, she’ll resort to making her hairstylist pal Ken Paves the adoptive daddy.” “Jessica never imagined that her tomboy younger sister would have a baby first. “It would be very hard for her not to be jealous,” added the source.