New York designers are the life of the party. Betsey Johnson tames the wild west for fall 2010. Everyone has a designer crush on Charlotte Ronson. Patricia Field brings her Sex and the City style to swimwear. The Kardashian sisters make their debut as designers for Bebe. BCBG's Max Azria celebrates women and mod silhouettes. Plus, meet Argentina's brightest runway star, Tati Cotliar.