Marie Avgeropoulos was 22 in Percy Jackson & the Olympians: The Lightning Thief when she played the character 'Aphrodite Girl'.
That was over 14 years ago in 2010.
Today she is 37, and has starred in 18 movies in total, 12 of those since Percy Jackson & the Olympians: The Lightning Thief was released.
In Percy Jackson & the Olympians: The Lightning Thief, I think Marie Avgeropoulos looks: