​We all know about the strict workout and diet regimen Bollywood celebs follow to get a smokin' hot bod. But apart from this, Sidharth Malhotra and Katrina Kaif just revealed another thing that helped them become the fittest versions of themselves for Baar Baar Dekho.

The actors already knew each other before they started shooting, and became pretty good friends on sets. "After wrapping up the shoot everyday, the crew used to head for either a party or dinner at some fancy place. But Kat and I were the only ones who would head to gym together and that kept us going." Sidharth said.

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Katrina couldn't agree more, "In fact, gymming became fun with him. Plus, Sidharth has really good knowledge when it comes to health and fitness."

What do you think?