Amanda Seyfried covers Joni Mitchell on "The Tonight Show."

Amanda Seyfried recently covered Joni Mitchell's song "California" on "The Tonight Show," but she clarified it was not an audition for a biopic role. Seyfried feels she is too old to play a young Mitchell. Seyfried stars in the new series "Long Bright River," where she portrays a cop in a tough Philadelphia neighborhood. The show addresses serious issues like addiction and crime, and Seyfried shared how she copes with the emotional weight of her role. She discussed her research into addiction, drawing from personal experiences and conversations with recovery advocates. Seyfried expressed a changed perspective on addiction, emphasizing the potential for recovery and growth over time.