The 28-year-old actress [Lily Collins] opened up in an interview with The Edit about the time she was complimented on her weight loss while filming the film. "I was leaving my apartment one day, and someone I've known for a long time, my mom's age, said to me, 'Oh, wow, look at you!'" Lily said. "I tried to explain [I had lost weight for a role], and she goes, 'No! I want to know what you're doing. You look great!' I got into the car with my mom and said, "That is why the problem exists."
Lily Collins worked closely with a nutritionist both during filming, and for several months afterwards, to ensure her health during her weight loss and subsequent weight gain.
Netflix bought the film for 8 million dollars.