Zac Posen is known for his glamorous runways, and for Fall 2013 he paired his red-carpet-worthy frocks with crimped chignons and deep berry lips. The updos, according to key hairstylist Luigi Murenu for John Frieda, offered a sense of lightness when paired with the gowns. And as for the makeup, artist Kabuki for MAC described it as an almost reverse smoky eye, inspired by the supermodels of the '90s. A brick-red lip punctuated the look. We went backstage at Posen's show (set at the famed and gilded Plaza Hotel) to watch a model go through hair and makeup from start to finish. Watch and see how the posh look came together.