When last we left Aidan Shaw and Carrie Bradshaw, in last season’s finale to HBO’s “Sex and the City,” the two had become engaged. (HBO, like PEOPLE, is owned by AOL Time Warner.) Aidan’s alter ego, actor John Corbett, 40, isn’t giving any clues as to whether or not he and the character played by Sarah Jessica Parker will actually walk down the aisle. “The show’s new season – its fourth – kicks in Sunday. “You have to watch it just like my mom,” Corbett told a group of reporters. “My mom asked the same question, so don’t feel bad.