Worsened Reputation
Things began to take a turn for the worse once Marilynn began leaning into her role as the sex symbol of Hollywood. She began acting salacious in interviews and wearing provocative outfits. She was named the "It Girl" of the year after performing all these stunts, but Monroe herself did not love the person she was becoming in the spotlight...
Worsened Behavior
It was around this time that Monroe earned a reputation of being difficult to work with, having shown up late to sets and forgetting her lines. Sometimes she would just not bother to read them at all. She required several re-shoots until she got a take she was happy with and became an annoyance to actors and directors alike...