Everyone knows the story behind Sushimta Sen and Shah Rukh Khan's friendship, and it's been quite some time they have become best of friends. While we all know the world is small place, we just got a prove of it when they bumped into each other at Airport (unexpectedly). And we all know how loving the gentleman is, And thanks to Sushmita she shared the glimpse of their run in on Instagram with adorable caption and fun they had