India, Dec. 20 -- Filmmaker Karan Johar and actor Kareena Kapoor Khan served a dose of humour from the sidelines of their children's school event. Karan shared a video on Instagram Stories capturing Kareena happily munching on a samosa. He can be heard saying, "This is what Kareena Kapoor does at the school function, eating a samosa. For all you people who think she is on a diet." As Kareena respond, "No, I am not," Karan added, "Look what she is eating. A big samosa. I am proud of you, Bebo. You are my carbie doll." While Kareena gave him as mock-stern look before resuming her snack, she later shared a snap of Karan mid-bite on Insta Stories, captioning it, "He eats too."HTC...