Merritt Patterson was 18 in Percy Jackson & the Olympians: The Lightning Thief when she played the character 'Pretty Girl #2'.
That was over 14 years ago in 2010.
Today she is 33, and has starred in 23 movies in total, 21 of those since Percy Jackson & the Olympians: The Lightning Thief was released.
In Percy Jackson & the Olympians: The Lightning Thief, I think Merritt Patterson looks: