This stretch could be a long one: the Actual White bits.
Adding blue-gray over the vibrant white primer and a lesser white to the brightest white to try to make blue-gray and lesser white look like a more vibrant white (at scale). As you do.
Deep in the ugly, patchy phase of it at the moment.
A sketchy start to trying to make a contrasty scale-appropriate pearlescent white on the shoulder-pads and Big Hat. All the more dispiriting as the zenithal underpainting was a lovely smooth white. But not an appropriate smooth white.