Judi Sheppard Missett is, at 79, still dancing. But these days, she’s traded in her fuschia 80’s-era leotards and legwarmers for roomier, more modern tanks and leggings. And she’s still blonde — though now her hair’s sleek and frames her face, no longer feathered into bouncy curls, as it was when she created the cultural sensation known to millions as Jazzercise. Read the full article on Katie Couric Media.