Abby Ryder Fortson was 9 in Ant-Man and the Wasp when she played the character 'Cassie'.
That was over 6 years ago in 2018.
Today she is 16, and has starred in 7 movies in total, 2 of those since Ant-Man and the Wasp was released.
In Ant-Man and the Wasp, I think Abby Ryder Fortson looks: