Angelina Jolie and Brad Pitt kept their romance alive by sending each other handwritten love letters when apart for work last year.
Jolie was directing Unbroken, a biopic about Olympic athlete and World War II hero Louis Zamperini, in Australia, while Pitt was in London, shooting his own nazi war film, Fury.
The Hollywood stars decided to embrace the time period their on-screen dramas were set in and shunned modern technology in favour of writing sweet notes to one another by mail.
"He was supportive and it was quite romantic in a way," Jolie said.
"We decided to be of that time, when we could imagine he was in the European theatre and I was in the Pacific theatre, and we wrote handwritten letters to each other that were very connecting for us, thinking of the people that were separated for months, if not years, at a time back then."