Pitt spoke about the unscripted kiss after Robbie revealed that her smooch with her co-star was actually improvised.
The latest Hollywood drama is the pair's third film together -- but the first time they've shared a scene!
Check out this full episode of ET's The Download, breaking down all the must-know entertainment news stories from Monday, Dec. 5.
Babylon is in theaters on Dec. 23.
'Babylon' hits theaters on Dec. 25
Brad Pitt, Margot Robbie, Jean Smart, Tobey Maguire, Olivia Wilde and more star in 'Babylon,' in theaters Dec. 23.
Check out this full episode of ET's The Download, breaking down all the must-know entertainment news stories from Wednesday, Nov. 16.
Pitt and de Ramon were photographed backstage at a Bono concert in Los Angeles Sunday.
Jennifer Aniston clears up Brad Pitt rumors in the final print issue of ‘Allure.’
The actress was married to Brad Pitt from 2000 to 2005.
ET has the first look at 'Special Forces: World's Toughest Test' that pushes Kate Gosselin, Jamie Lynn Spears and more to their limits.
Check out this full episode of ET's The Download, breaking down all the must-know entertainment news stories from Monday, Oct. 24.
The Oscar winner spent the weekend in Texas at the Circuit of The Americas.
Gwyneth Paltrow chats with ET about how she remains friends with her exes, including Brad Pitt.
