MARCIA CROSS drops by and chats about expecting twins and how she hides her bump on Wisteria Lane (Desperate Housewvies (ABC, Sunday @ 9pm)). Ellen is also joined by legendary singer ROD STEWART who performs "Have You Ever Seen The Rain." Plus, MIKE HOLMES, host of Discovery Home Channel's "Holmes on Homes," is here to show viewers the right tool for the right job. And, don't miss another installment of WRITE ON, when Ellen reads your e-mails.