Margot Robbie (I, Tonya), Brad Pitt (World War Z), Leonardo DiCaprio (The Revenant) sit down with Josh Horowitz and discuss ‘Once Upon a Time… in Hollywood’, working with Quentin Tarantino and famous Hollywood films. And find out what Leonardo DiCaprio has to say about there being enough room for Jack on the door in ‘Titanic’. #OnceUponATimeInHollywood #MTVNews #MTV Subscribe to MTV News: https://goo.gl/cXCwIK More from MTV News: Official MTV News Website: http://www.mtv.com/news/ Like MTV News: https://www.facebook.com/mtvnews Follow MTV News: https://twitter.com/mtvnews MTV News Instagram: https://instagram.com/mtvnews/ #MTVNews is your destination for music docs, celeb interviews and more!