Bollywood Khiladi Akshay Kumar is celebrating his 53rd birthday today. The Bollywood superstar, known for minting hits faster than anybody else, has given a number of memorable films in a career spanning nearly three decades. The only Bollywood hero to make the cut in the list of Forbes’ 10 highest paid actors in the world every year, Akshay started his film journey as a lead with Raj N. Sippy’s Saugandh in 1991, and has since then featured in over 100 films ranging different genres. Hailed for his versality, healthy lifestyle, choice of films, charming personality as well as his social cause, Akshay is one of the most bankable Bollywood stars today.While the National Award-winning Kumar is celebrating his special day in the company of his wife Twinkle Khanna and kids Aarav and Nitara in Scotland with the team of his upcoming espionage thriller Bell Bottom, Peepingmoon.com talked to some of the directors he has worked with and asked them to share their experiences and what makes Akshay the unstoppable force. Here’s what these filmmakers had to share about Akshay, his work of ethics and the secret behind his massive success: