Anna's Tattoo read: I have loved the stars too fondly to be fearful of the night.
Anna Camp designed the humming bird tattoo behind her ear just for this movie. Anna loved it so much that she got it for real.
The character Anna is not named after lead actress Anna Camp, contrary to what some might assume. It is simply coincidence.
In an interview with the SAG-AFTRA Foundation, Anna Camp explained that the film was originally called Anna after the main character. The fact that the character has the same name as Anna camp was a a mere coincidence.