Christina Aguilera sported her most sophisticated outfit to date on The Voice. The Grammy-award winning singer, known for her over the top looks, toned it down with a chic black and white ensemble on this week’s episode of the popular singing competition. Aguilera paired a white silk taffeta shirt by Comme des Garcons with a Saint Laurent leather bow collar and Le Luxe Noir skinny jeans. Her look was finished off with the stunning Diamond Lasya ring from Dionea Orcini. The 18K Gold Lasya ring with Diamond inserts retails for $14,000 dollars and is available at RoseArk in Los Angeles and on RoseArk.com; http://www.roseark.com/viewProduct.php?product_id=1325&category_id