I doubt she will do the lady-in-waiting kind of things. Rebecca was kind of a private secretary+lady-in-waiting+assistant hybrid but I think it will be more different roles from now on. I think Kate will have some kind of assistant doing the lady-in-waiting things and her private secretary doing...
I agree. She fits in tone very much with Mathilde. If Mathilde can wear shiny dress and shoes, detailed lace and swirly hat elements, I think Kate in creme/white (a half mourning colour btw) was rather subdued in comparison. I think they both dressed well. A bit more "dressed up" than the...
My guess is that they are 2+2. Earrings and ring from Balenciaga (with the stones around the sides of the pearls) and the brooch and necklace (with the stones between and more sparse). My guess is that the brooch and necklace might be McQueen since both were introduced together with McQueen...