Last week Fidelo summed up your reaction to the purple, orange and green 1870s frock perfectly: “This  should not work. It really should not work at all. The fact that it does is genius.”  And because it was genius, you gave it a rating of 9.3  out of 10, which is pretty much as close as we’re ever going to get to perfect! This week, I’m presenting a very different dress from a very different era, but I feel it has some of the same elements that made last week’s dress so successful: unusual choice of colour or pattern, clever construction, a balance of structure and femininity, and just a wee bit of cheek. This dress is also a fun one to present, because it’s by Roger Worth, the great-grandson of CF Worth, and one of the last designers of the House of Worth (the last was his brother Maurice).  You haven’t much cared for the second and third generations of Worths, but what about the fourth?  Did Roger manage to return to his great-grandfather’s …