"Well look, everyone has a contract where they specify what they are comfortable with and what they are not comfortable with," Ellis told MTV News.
"So her contract was gone through quite carefully. Signing on for that role she completely knew that that was going to be part of it, and I think the first discussion with Lindsay was about the nudity and the film's sexuality and she had no problem with it. She said 'Let's do it.' And then of course I guess she got cold feet at the foursome scene. But what can I say? She was a trouper."
In 2012 Lohan sent Ellis into a fury after she apparently flaked on an important "looping" session for the film.
The Canyons is currently in US theatres and Lohan is getting straight back to work after ending her three-month stint in court-ordered rehab on July 30.
She is guest hosting Chelsea Handler's talk show Chelsea Lately on Monday and will also do a post-treatment interview with Oprah Winfrey along with an eight-part documentary for the OWN Network.
- Cover Media