Hrithik Roshan made his leading star debut in 'Kaho Naa... Pyaar Hai' and became a phenomenon. Films like 'Dhoom:2', 'Zindagi Na Milegi Dobara', 'War' and 'Fighter' showcased his multifaceted talent. On Hrithik Roshan's 52nd birthday on January 10, let's revisit his hit seven films that are pure nostalgia and a treat for his fans. Here's where to watch them.