The two actress would often take time off to have some uninterrupted shopping while shooting the film in London.
"Lara was familiar with London and since she and Deepika shared a great rapport she would often take Deepika for the local sales," a unit source said.
Deepika and Lara will share screen space for the first time in the Sajid Nadiadwala's romantic comedy, which also stars A-listers like Akshay Kumar, Arjun Rampal, Riteish Deshmukh and Jiah Khan. The film is slated to hit theatres on April 30.
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