Dhanush and Aishwaryaa Rajinikanth, daughter of actor Rajinikanth announced their divorce on Instagram in January. On Monday, Aishwaryaa shared a picture from their sons school function on Instagram and in another picture shared online, she was seen posing with Dhanush and their sons. In the photo shared by Aishwaryaa, she was seen clicking picture of her elder son Yatra. Monday …