What I love about Target (affectionately known as Tar-jay) are the collaborations with top labels, like Sigerson Morrison, Thakoon, Hayden-Harnett, and Anya Hindmarch. My strategy for staying trés chic? Stock up on work-to-weekend basics from Mossimo and Converse, then add p.m. panache with trendier extras.

   From office-appropriate separates, like high-waist pencil skirts and fitted jackets from the exclusive Worthington and St. John's Bay lines, to candy-hued cocktail dresses from Nicole by Nicole Miller for J.C. Penney, this department store is a hunting ground for fashionistas. And don't miss the stellar shoe department!

   Love the latest runway silhouettes? Head to one of the many branches of this ubiquitous international chain to find them. Be sure to check out the rotating collections from designers like Roberto Cavalli, Karl Lagerfeld, and even Madonna. But quickly snap up items you covet—the store's inventory turns over fast.