It's time to let down your hair, wash off that frown, pull up your sleeves and celebrate love! There is nothing more enjoyable than reuniting with friends and making merry, rebinding the threads of friendship and camaraderie. After all, one cannot be wise and old without being young and crazy! Here's bringing to you the trailer of 'Yeh Jawaani Hai Deewani', a film by Ayan Mukerji. Directed By: Ayan Mukerji Produced By: Dharma Productions Starring: Ranbir Kapoor, Deepika Padukone & Kalki Koechlin Music By: Pritam Chakraborty