It was a grand evening at New York's iconic Plaza Hotel, as Zac Posen presented his Fall/Winter 2013-14 collection. Posen was inspired by the Fibonacci spiral, which is said to be the mathematical equation for femininity, and he celebrated women with his day and evening looks. Go backstage to find out how hairstylist Luigi Murenu and makeup artist Kabuki created the feminine and supremely elegant beauty look for Zac Posen's Fall 2013 show!