On Feb. 27, the model-turned-businesswoman announced on Snapchat that she welcomed her fourth son, Pierre, who joins big brothers Myles, Hart and Flynn. Sharing a photo of a bouquet of flowers ...

From that would come the art of pocket sketching, using 4-by-6-inch sketch pads, an ink pen and watercolors to create sketches of landscapes, animals and people. "You sketch with the pen ...