Emma Watson was 19 in Harry Potter and the Deathly Hallows: Part 1 when she played the character 'Hermione Granger'.
That was over 14 years ago in 2010.
Today she is 34, and has starred in 27 movies in total, 16 of those since Harry Potter and the Deathly Hallows: Part 1 was released.
In Harry Potter and the Deathly Hallows: Part 1, I think Emma Watson looks: