In celebration of Dior: The Art of Color, Bella Hadid arrived to the Milk Studios in NYC definitely dressed to represent. Many models and fashion industry veterans were in attendance to celebrate the launch of Dior: The Art of Color, a new beauty inspired book by Dior. Seeing that she is the Dior makeup and beauty ambassador, Bella wore two different Dior dresses during the night. Her first look, worn at the expo for Dior: The Art of Color, was a nude sheer Dior gown with black polka dots on the sheer and floral embroidery as well. She even showed off her Christian Dior undergarments as they were visible under the completely sheer gown.The second look rocked by model Bella Hadid to the Dior: The Art of Color dinner had more of an edgier style to it. Bella wore a black quilted leather dress to the dinner which was accented on the bottom with tulle. See Bella Hadid in both Dior looks from the book launch below.