Kyun! Ho Gaya Na...
| Kyun! Kaise Ho Gaya Na... | |
|---|---|
| Theatrical release poster | |
| Directed by | Samir Karnik | 
| Written by | Samir Karnik Vivek Oberoi Rajesh Soni Milap Zaveri (dialogue) | 
| Produced by | Boney Kapoor | 
| Starring | Amitabh Bachchan Vivek Oberoi Aishwarya Rai Sunil Shetty | 
| Cinematography | Sudeep Chatterjee | 
| Edited by | Sanjib Datta | 
| Music by | Shankar–Ehsaan–Loy | 
| Distributed by | Ravi Prabhakar (Bareilly) | 
| Release date | 
 | 
| Running time | 172 mins | 
| Country | India | 
| Language | Hindi | 
| Budget | ₹10 crore | 
| Box office | ₹16.35 crore | 
Kyun! Ho Gaya Na..., released in English as Look What's Happened Now, is a 2004 Indian Hindi-language romance film directed by Samir Karnik starring Amitabh Bachchan, Vivek Oberoi, Aishwarya Rai and Sunil Shetty. This film was the acting debut of Kajal Aggarwal.