With his trademark sense of humour and her phenomenal acting, Saif Ali Khan and Rani Mukerji are all set to give a tough fight to Gen-Z actors Siddhant Chaturvedi and Sharvari in their upcoming film 'Bunty Aur Babli 2'.

On Friday, the makers unveiled the official teaser of the movie, in which these two pairs can be seen mercilessly trolling each other.