Sridevi's tragic and untimely demise has shocked and saddened the entire nation. Today, her daughter Janhvi is celebrating her 21st Birthday, but this time without her mom. The family is planning a dinner party. Yesterday, Sonam Kapoor took to Instagram and shared the heartfelt post for her sister and wished her in the sweetest way.To one of the strongest girls I know, who became a woman today. Happy birthday jannu. ❤️❤️❤️ @janhvikapoor #21stbirthdayA post shared by sonamkapoor (@sonamkapoor) on Mar 5, 2018 at 11:15am PST Happy Birthday Gorgeous!