India, Feb. 7 -- Filmmaker Karan Johar has shared a birthday post for his children-- son Yash and daughter Roohi. Taking to Instagram on Friday, Karan shared a bunch of pictures featuring the trio. He also penned a sweet note. Yash and Roohi turned eight on Friday. (Also Read | Karan Johar's twins Yash and Roohi roast his fashion sense, say that his outfit looks like a nightsuit)

In the photos, all of them opted for casual outfits. Karan wore a black sweatshirt, matching pants and white sneakers. Roohi wore a blue T-shirt and pants, and Yash was seen in a red outfit. All of them smiled as they gave different expressions for the camera.

Sharing the pictures, Karan captioned the post, "My biggest achievement is one of being a Father.. I n...