Yeh Jawaani Hai Deewani, also abbreviated as YJHD, is a 2013 Indian Hindi-language coming-of-age romantic comedy film directed by Ayan Mukerji, written by Mukerji and Hussain Dalal, and produced by Karan Johar under Dharma Productions. It stars Ranbir Kapoor and Deepika Padukone in their second film together, alongside Kalki Koechlin and Aditya Roy Kapur.