can't wait for Halloween. "I start decorating Oct. 1," says the newest housewife to join the Desperate Housewives
cast, who hangs bats and spiderwebs and black crows all around her home, and-as mom to daughters Sasha, 10, Jillian, 21, Melanie, 23, and son Devin, 17-has sewn her share of costumes over the years. "It's a favorite holiday for any kid, and I live through my kids," she says. "Plus it's a chance to dress up and be creative, and I love having parties. We do bobbing for apples, and we watch scary movies." Clearly Williams' fondness for the holiday has been deeply instilled into her kids. "My 21-year-old daughter called me today," says Williams. "She said, 'Mom, I'm gonna be you this year for Halloween-can you help me with my outfit?' "