Chloe Moretz Promotes "If I Stay" on "Jimmy Kimmel Live!"
The 17-year-old beauty stopped to greet fans waiting outside the theater and rocked an adorable plaid getup with black pants.
When Chloe appeared on the late night show, she chatted with the host about learning to play the cello for her upcoming film.
Moretz revealed that she trained on the classical instrument for seven months and learned about the passion musicians have while playing.
Check out her interview below!