So I went to my closet, pulled on a pair of black jeans and a blouse, and sat back down. Immediate focused, I spent the rest of the afternoon more productive than I'd ever been. "Dress for success" may not be a new concept, but "dress for relaxation" is. She was 18 or 19 at the time, and we've been working together ever since," superstylist Maeve Reilly tells me over the phone from L.A. "We've...