Hrithik Roshan and Twinkle Khanna just had the funniest Twitter chat

Bollywood superstar Hrithik Roshan asked his neighbour and actress-turned-author Twinkle Khanna for a copy of her book 'The Legend of Lakshmi Prasad' that was launched recently. Twinkle Khanna's response to 'Kaabil' actor will leave you in splits!