That Sunday afternoon showing of the SATC movie have you feeling sort of sheepish about the state of your summer wardrobe? Fear not. Fashion editor favorites Zac Posen and Thakoon will soon have you striding past the Mister Softee truck in style. Chockablock with socialite-meets-surfer-girl looks including a smart, sunshine-yellow shift with a convertible hem and an airy indigo-print dress, Thakoon's collection is the definition of city-girl cool, while an iconic handbag from Zac Posen ups the chic quotient of effortless basics, stat. Summer-in-the-City styles worthy of our favorite foursome? They're right here at the Designer Boutique.