Zoya conceived the film as a family drama centere on a brother-sister relationship. She wanted to depict a more realistic sibling relationship
The film’s original cast featured Ranbir Kapoor, Kareena Kapoor Khan, Katrina Kaif and Hritik Roshan.
After Ranbir left, Kareena dropped out of the project. They were replaced by Ranveer Singh and Priyanka Chopra.
Madhuri Dixit, Tabu and Raveena Tandon were considered to play Neelam Mehra. The role finally went to Shefali Shah.
The film unfolds on a cruise ship to celebrate the 30th wedding anniversary of the Mehras. Anil Kapoor, who plays Kamal Mehra, missed his real 30th anniversary for the film.
Akhtar later co-wrote the screenplay with her friend and longtime collaborator Reema Kagti.
Aamir Khan voiced the dog – Pluto Mehra – the film’s narrator.
Anil Kapoor is Ranveer Singh's uncle in real life.
The title song was a duet sung by leads Farhan Akhtar and Priyanka Chopra. It was also their first film together as co-actors.
Just like in Om Jai Jagdish (2002), Parmeet Sethi’s character tries to stake his claim on Anil Kapoor’s company in DDD.
Farhan Akhtar applied vanilla ice cream to get Pluto to lick his face.
This was the third film to pair Ranveer Singh and Anushka Sharma. They’d previously starred together in Band Baaja Baaraat and Ladies vs. Ricky Bahl.
The first look poster that was released months before release did not reveal the actors' looks, instead choosing to tease the audience with a back shot,
Javed Akhtar had initially provided the voiceover for Pluto.
Priyanka Chopra had to shed her muscles from Mary Kom to film DDD.
The film was shot aboard the Pullmantur Cruises ship MS Sovereign.
The onshore locations included France, Spain, Tunisia, Turkey and Italy.
Filming was done over a non-consecutive period of five weeks; the cast and crew members would board the ship at Barcelona and would film the scenes while en route to different destinations.
Priyanka Chopra had to learn to play squash on set. She was helped by Rahul Bose.
Ridhima Sud of Eat Pray Love made her Bollywood debut in the film.
Farhan Akhtar saved Ranveer’s hairdresser from drowning during a beach shoot in Turkey.
The song Gallan Goodiyaan was shot in a single, five-minute take.
Hairstylist Adhuna Bhabani designed Anil Kapoor's hair. It took her over 100 hours to crack the look.
For his role, Anil Kapoor won the Filmfare Award for Best Supporting Actor in 2016.
This was the 9th collaboration between Farhan Akhtar and Zoya Akhtar.
Arjun Bhasin designed all of the film's costumes. Bosco–Caesar choreographed the songs
The entire song 'Gallan Goodiyaan' was shot in a single five-minute take. It required detailed planning and choreography, which the cast rehearsed before filming.
Neil Patel handled the production design. Akhtar's frequent collaborator Carlos Catalan provided the cinematography, and Anand Subaya and Manan Mehta edited the film.
For one scene set in Istanbul's Sophia Museum, tourists and museum staff were used as extras for the sequence, which took six hours to film
Upon its release, the film recorded the highest overseas opening of the year for an Indian film, collecting ₹195 million in its opening weekend
