"I guess things like chemistry is between characters more than anything else. When we set out to do 'Love Aaj Kal' we did not plan that we are going to have this chemistry. It just happened..it is something we did not expect or planned out. Sometimes, some things just fall in place," Deepika told in an interview.

Deepika Padukone and Saif Ali Khan in 'Cocktail'. Pic/Santa Banta