Princess Charlene spent some 10 months in South Africa last year but returned to the world stage this week as she mourned the Queen at her state funeral in London.
British body language expert Judi James said Princess Charlene, 44, looked pensive and isolated at Monaco E-prix, her first engagement with Prince Albert and their children since November.
Nicole Coste, 49, gave a rare interview in September in which she spoke about Prince Albert of Monaco s parenting before suggesting she had tensions with Charlene.
Prince Albert of Monaco has told People that his six-year-old twins Princess Gabriella and Prince Jacques will be joining him at next week s Cop26 climate change summit in Glasgow.