Mumbai, May 31 (SocialNews.XYZ) Southern heartthrob Dhanush and his ex-wife Aishwaryaa Rajinikanth were seen together after a long time for their elder son Yathra's school graduation. The 'Raanjhanaa' actor posted two pictures from the ceremony on his IG, where both he and his former partner were seen hugging and congratulating their firstborn on achieving a crucial milestone in his life.