Blake Lively was 20 in New York, I Love You when she played the character 'Gabrielle DiMarco (segment "Brett Ratner")'.
That was over 15 years ago in 2008.
Today she is 36, and has starred in 27 movies in total, 16 of those since New York, I Love You was released.
In New York, I Love You, I think Blake Lively looks: