The 26-year-old wants to ensure that the episode dedicated to her ex-boyfriend is the perfect tribute, reported Hollywood Life.
"The producers are still going back and forth on what they want to do and clearing music for his tribute. But most of all, 'Glee's' creative team is looking to Lea to give the final word on decisions that are being made for this season's third episode, which will be an emotional tribute to Cory.
"The meetings are lengthy and Lea is a part of them to make sure everything is just right," a source said.