Katrina Kaif reveals big secrets of ex boyfriend Ranbir Kapoor. It was only a few years back that Bharat actress Katrina Kaif made her debut on Instagram, but little did we know that none other than ex-boyfriend and Jagga Jasoos co-actor Ranbir Kapoor taught her how Instagram works. Watch this video to know more!!!!

#KatrinaKaif #RanbirKapoor #AliaBhatt