If you look closely while your watching Lord of the Rings, you can see that Legolas does make the most ridiculous and funny faces. He did that on purpose just to see if anyone would ever notice. JUST ANOTHER REASON TO LOVE HIM
(Les Mis and Aladdin! Fun Fact: This line in Aladdin was in reference to Les Miserables! Lea Salonga, who sung for Jasmine in the movie Aladdin, played Eponine on broadway.) IDK why but I laughed SO hard when I saw this!