The Aditya Chopra-helmed film, which has been extensively shot in Paris, marks his come back to the directors chair after a gap of eight years.
According to a source from the production unit, the crew shot five days a week at the popular locations of the French capital.
Ranveer, who is known for his energy and spontaneity, has added his own bits in a lot of scenes and improvised a lot in the funny scenes, the source continued.
The first trailer of the film will be launched tomorrow at the iconic Eiffel Tower by the lead pair, who landed in the city today.
The actors will release the trailer with the Mayor of Paris.
The movie will hit the theatres on December 9.