Amitabh Bachchan and Ajay Devgn recently shared screen space in Devgn's directorial 'Runway 34'. Big B has now written a note to the actor-director and he has shared the same on his Instagram account.

Devgn wrote- "When the illustrious and magnanimous Amitabh Bachchan stars in your directorial venture, it is an honour that is hard to encapsulate in words. And when he uses his heartfelt words in a hand-written note of appreciation it stirs emotions that are a heady mix of gratitude, quiet pride and satisfaction. Thank you Amit ji!"