Riddhima Kapoor Sahani has shared a birthday greeting for her “rockstar” brother Ranbir Kapoor on Instagram. Riddhima Kapoor Sahani took to Instagram to wish her brother Ranbir Kapoor on his birthday today, 28 September. Sending best wishes to her “Rockstar brother”, she shared a throwback picture of herself with the Bollywood star and their mother Neetu Kapoor. Karan Johar’s production …
)