On Friday, Bollywood couple Sidharth Malhotra and Kiara Advani announced their pregnancy via a cute post on Instagram. And in no time, there was an outpour of love, support and congratulatory messages from the duo's friends and colleagues in the Indian Film industry.

Sidharth and Kiara's close friend and filmmaker Karan Johar took to social media and penned a heartfelt note for the parents-to-be.