Kate Middleton appeared consumed by worry and fear at the Coronation ceremony.

A body language expert, Adrianne Carter, brought these insights to light.

Kate was worried about her son, Louis's behavior, during the service.

Louis started to fidget, making the day even more challenging.

Kate tried to explain what was happening to Louis during the ceremony.

Charlotte showed restlessness but was able to contain it better due to being older.

Kate was more aware of the children than William.

As time went on, both Louis and Charlotte became more restless, and Kate got more stressed.

Louis gave a big yawn, and Charlotte showed signs of boredom.