Simplify the following text for a Grade 7 native English-speaking person.
Original: During filming , Monroe 's make-up artist Whitey Snyder noticed her stage fright ( that would ultimately mark her behavior on film sets throughout her career ) ; the director assigned him to spend hours gently coaxing and comforting Monroe as she prepared to film her scenes .
Simplified: During filming , Monroe 's make-up artist Whitey Snyder noticed her stage fright . The director made him spend hours gently comforting Monroe as she prepared to film her scenes .