Tang Yan posted beautiful photos of the latest L'Oréal Paris event, with an elegant black off-the-shoulder slim long skirt! Tang Yan posted beautiful photos of the latest L'Oréal Paris event, with an elegant black off-the-shoulder slim long skirt! Tang Yan posted beautiful photos of the latest L'Oréal Paris event, with an elegant black off-the-shoulder slim long skirt! Tang Yan posted beautiful photos of the latest L'Oréal Paris event, with an elegant black off-the-shoulder slim long skirt!