The latest to join the promotions of Akshay Kumar's next film Toilet - Ek Prem Katha are Karan Johar and Alia Bhatt. The two have shot a 20-second video filled with humour. In the past few days, many stars including Ranveer Singh, Varun Dhawan and Rhea Chakraborty have shared similar videos promoting Akshay's next outing.