The outfit that Mobama is wearing in the pic at #24 is the one she wore when meeting King Juan Carlos and Queen Sophia at their island digs on Majorca.
Posted for contrast to what she wore to meet His Holiness, of course.
I am sure it is hard to know what to wear to everything a First Lady must attend. I don’t like sleeveless so I would not have chosen the top. The skirt is fine. The two princesses have model figures and nearly all adult women look horrible in dresses like they are wearing. Of course they look fantastic, but believe me, 99% of women look horrible in dresses like that. I would never even try them on. I know I would look laughable. I would wear Michelle’s skirt. It is fine. Was it a hot day?