With today being February 14th, that most romantic of days, it seems like my focus for Friday’s shopping post could only be one thing, the little red dress. Valentine’s Day always seems to increase the popularity of the hottest colour around, and the celebs have been flaunting their red-hot numbers on red carpets and runways, showing that if you want to get ahead – wear red. If we look back at some of the most iconic dresses in our movie history, we see that the one thing many of these disparately different frocks had in common was the colour. Who can forget the naughtiest of debutantes, Bette Davis, scandalising the…