The sixties aren't back. Modern must-haves for a 21st C teen ballerina include: a retro hip, hot-pink velvet chair to lounge in, a built-in wardrobe wall to keep clutter in place, and a great desk with full-wall pinboard to keep track of her life.... To tune the world out, she gets to lower those flower-powered Roman shades, draw the curtains on her four-poster bed, put on headphones, and presto: Girls rule!