Taking on her first feature lead role, "Will & Grace" star Debra Messing has teamed with Dermot Mulroney to topline Gold Circle Films' romantic comedy "Something Borrowed," which Clare Kilner will direct. Shooting begins next month. The film, written by Dana Fox, sees Messing star as Kat Ellis, a young woman who returns to her parents' London home for her sister's wedding and has to confront her ex-fiance, who dumped her two years before.