Talking about his film 'Dhoom 2', Abhishek Bachchan wrote on Instagram, "My favourite of...series so far." "Saw...whole bunch of...childhood friends and some newer ones come together to make such a fun film," he added. "We had...blast making this one!!! Every day was like huge school picnic," Abhishek wrote. 'Dhoom 2' also featured Hrithik Roshan, Aishwarya Rai Bachchan and Uday Chopra.