Look carefully at the shirt. It has square buttons that are off center and diagonal piping along the edge. These are nice feminine touches, but they aren't enough too keep this outfit from looking rather masculine. Same thing with the pearl earrings - they are too small to have the desired effect. A brooch could have warmed up the blazer, or the same shirt in a different color would have looked less like menswear.
Her makeup is warm and colorful, so no one is going to mistake the governor for her brother, but I'm concerned that this look overall makes her look too young - like an intern who doesn't have a good wardrobe of "work clothes" yet.