We adore the Atelier Versace gown worn by Mad Men’s January Jones. Others have been critical, but not The Pursuitist — this has been voted Our Favorite Emmy Dress(tm). Only someone like January Jones can pull off a gown like this. With no accessories and just black pumps — the actress wore a showstopping strapless royal blue gown which was cut short at the front and long at the back, and made entirely of silk satin petals. The dress is from Atelier Versace Spring 2010 collection….