Reality star and designer Kristin Cavallari has announced that she and husband Jay Cutler are expecting a second son. "We decided to announce that we're having another boy," Cavallari, 27, said on Instagram Saturday. Cavallari and Cutler, a Chicago Bears quarterback, found out the sex of the baby during the holidays, People reported. The couple have a 17-month-old son, Camden Jack. "Of course I want a little girl, but another boy would be a ton of fun too, so I really don't care either way," she said in November. "There's great things about both."