Self Magazine interviewed costume designer Tish Monaghan on how she put together the Eclipse look. “SELF: How is Bella’s look in Eclipse different from in New Moon? Tish Monaghan: Well, it’s funny because the movies come out a year apart, but onscreen, only a week has passed. With Bella [Kristen Stewart], she’s a little more settled in public and in her relationship with Edward. And so, at the b…