You can expect some things at Billy Reid's shows: a folk musician strumming a guitar, a dash of Southern elegance, and a slew of actors in the front row who are not exactly known for their fashion gravitas but who look the part clad in Reid. Last season, it was the Tony award winner Alex Sharp. For fall, Reid had the Tony winner Denis O'Hare. But the designer had one more surprise up his sleeve: an expanded range of women's. How's that for unexpected.