New Delhi, Sept. 15 -- Kareena Kapoor Khan took to Instagram to celebrate the 45th birthday of her cousin, entrepreneur and actor Riddhima Kapoor Sahni, by sharing an adorable childhood throwback picture.

Highlighting their lifelong bond, Kareena affectionately teased that they look exactly the same today as they did in the old photo.

She captioned the Instagram story with, "Happy birthday Ridz. We pretty much look the same as in this picture... cute as ever... Have the best one."

The two first cousins share a very close, healthy sisterly bond and frequently take to social media to celebrate each other's milestones and family occasions.

Kareena is the daughter of veteran actor Randhir Kapoor and Babita Kapoor, while Riddhima is the da...