Model Sasha Pivovarova, the face of Biotherm , balances work and personal life by painting and practicing kung fu. YOU may not know her name, but anyone who has flipped fashion glossies for the past four years would have seen her face. She holds the record for six consecutive campaigns for Prada. Last year, at the Chanel Fall/Winter haute couture show in Paris, she wore the veiled wedding dress, the final outfit before Karl Lagerfeld took his bow. At 24, Russian-born Sasha Pivovarova —... read more