"My chemistry with every co-star that I work with somehow turns out to be 'sizzling hot' may that be Genelia, Katrina, Vidya Balan or even with Abhishek Bachchan.
So I feel it is important to have chemistry with your co-star, only then the film turns out to be a good product, " said John.
The 38-year-old actor will soon be seen romancing Genelia D'Souza in "Force".
'Mere Brother Ki Dulhan' cast attend the film's premiere in London
Imran Khan, Katrina Kaif, Ali Zafar and director Ali Abbas Zafar are all smiles at the premiere of Mere Brother Ki Dulhan in London