Bollywood actress Katrina Kaif is counted amongst one of the fittest actresses of the Bollywood industry. Not just her fans but even other celebrities are excited to know what she eats to keep her body in shape. Well, now it seems that the secret has been decoded and that too by the actress herself, all thanks to the trending ‘What’s In Your Dabba’ challenge, started by actor Akshay Kumar who is another epitome of fitness. The challenge gives a sneak peek into the dabba or tiffins of various celebrities to show what they eat to keep themself fit. After Akshay, Twinkle Khanna, Malaika Arora, it is Tiger Zinda Hai actress who has revealed the secret for all.