Alexandra Shipp was 17 in Alvin and the Chipmunks: The Squeakquel when she played the character 'Valentina'.
That was over 13 years ago in 2009.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 31, and has starred in 29 movies in total, 28 of those since Alvin and the Chipmunks: The Squeakquel was released.
In Alvin and the Chipmunks: The Squeakquel, I think Alexandra Shipp looks: