Amitabh Bachchan has shared a picture posing with his "co-star" on his latest post on social media. In the image, the actor is seen playing with a dog, holding its ears!

"My costar Baat kuch bhi ho inke kaan khade ho jaate hai (say anything and his ears will stand up," Big B captioned the image. The Bollywood veteran did not share details about what he was shooting for.