When it comes to the Hollywood heavyweights, actors use a range of methods to really embody their onscreen characters. Florence Pugh has spoken about the 'bleak' way she prepared for Midsommar, and Lady Gaga spent 9 months speaking with an Italian accent off set while filming House of Gucci.

"I was in the room next to them, listening to the 'Titanic' soundtrack trying to stay in sad, teary mode," Robbie recalled. "It was very surreal."

Margot Robbie recalled using the ‘Titanic’ soundtrack to cry on set and both Leonardo DiCaprio and Kate Winslet witnessed it

The 2013 movie – in which the 34-year-old actor starred opposite Jack Dawson actor Leonardo DiCaprio -featured plenty of raunchy, volatile, and emotional scenes between the onscreen husband and wife. Since the movie demanded Margot’s character, Naomi Lapaglia, start crying during one scene the Barbie star did what any rational person would do.

How does Margot Robbie turn on the waterworks when preparing for a big scene? “I can even just hear the theme music of ‘Titanic,’ and I’ll be bawling,” Robbie said in an upcoming episode of the “Talking Pictures: A Movie Memories Podcast.

Margot Robbie has spilled the beans on her shocking secret about how she prepares for emotional scenes, and it involves her co-star, Leonardo DiCaprio.During a teaser for her upcoming appearance on the Talking Pictures: A Movie Memories Podcast,

To celebrate this momentous occasion, let’s revisit some of his iconic films, his award wins, and the evolution of his career

Margot Robbie left Martin Scorsese and Leonardo DiCaprio stunned after she 'hauled off and gave him a thunderclap of a slap on the face' during her audition for The Wolf Of Wall Street