'Sisters' star Tina Fey is grateful that she didn't find fame on 'Saturday Night Live' until she was in her 30s, because being more mature has helped her navigate the pitfalls of fame.

Tina Fey Says No to 'Mean Girls' Sequel Amy Poehler Marvels at Her Walk of Fame Star Fey, 45, said that later on in life she realized why she became a bully. "It's another coping mechanism," she said.

'Sisters' star Tina Fey is grateful that she didn't find fame on 'Saturday Night Live' until she was in her 30s, because being more mature has helped her navigate the pitfalls of fame.