FASHIONPhotos: Mary Helen Bowers Is Raising the BarreThe dancer-turned-exercise entrepreneur shares her style secrets.by Sue WilliamsonSep. 28, 20151Mary Helen Bowers. Courtesy of Ballet Beautiful.2Ballet Beautiful satin ballet flats, $280, net-a-porter.com.3Ballet Beautiful mesh-trimmed stretch leotard, $60, net-a-porter.com.4Mary Helen Bowers. Courtesy of Ballet Beautiful.5Ballet Beautiful set of two seamed tights, $35, net-a-porter.com.6Ballet Beautiful satin ballet slippers, $150, net-a-porter.com.7Mary Helen Bowers. Courtesy of Ballet Beautiful.8Ballet Beautiful Lily knitted jersey legwarmers, $90, net-a-porter.com.9Ballet Beautiful set of two seamed tights, $35, net-a-porter.com.