Bollywood superstar Shah Rukh Khan celebrated his 51st birthday yesterday. The other two Khans of Bollywood- Salman Khan and Aamir Khan are of the same age that of SRK. The three Khans are the biggest superstars the Hindi Film Industry has ever seen. The trio has a massive fan following across the globe and has been ruling the industry for last 25 years. Many fans want to see three Khans together in a single frame. Shah Rukh Khan recently revealed about his friendship with Salman Khan and Aamir Khan.