▲The actress has one blue and one brown eye, caused by heterochromia, a condition which causes someone to have two different-colored eyes due to varying levels of melanin, according to Medical News Today.

▲The 'Star Trek' actress stands out for her beauty and her incredible eyes: one blue and the other green.

▲The stunning star of 'NCIS: Los Angeles' has very striking colored eyes.

▲The Rise Against singer and guitarist has one blue eye and the other brown.

▲Superman also suffers from heterochromia. You can see that the actor has a small brown discoloration in one of his eyes.

▲The baseball player's heterochromia is an inherited condition, which is very visible.

▲The iconic singer suffered from anisocoria, where his left pupil became permanently dilated, according to the BBC, after it was damaged in a punch up.

▲The actor's heterochromia affects just one part of one of his eyes, like Henry Cavill's.

▲The 'Desperate Housewives' actor has one blue and one green eye.

▲The 'Live and Let Die' Bond girl has one green eye and the other brown.

▲The actress also has heterochromia; one of her eyes is green and brown.

▲The actress's differently colored eyes are quite subtle: the right one is green and the left brown.

▲The American baseball player has one light brown eye and the other green.

▲The star also has one light brown eye and the other green.

▲Famous for the movie 'Ghostbusters' (1984), the actor has one green eye and the other brown.

▲The actor has partial heterochromia, according to Fox News. His eyes are mainly blue, but his right one has a light brown discoloration.

▲The American actress has light green eyes but one of them has a fleck of brown.

▲The actor has a mysterious look, owing to his partial heterochromia.

▲The Russian hockey player has brown eyes, but one is darker than the other.

▲The star of '24' has very slight heteochromia. Both his eyes are blue but one of them has a mixture of green too.

▲The actress has green eyes, one of them with a brown fleck.

▲

The actor who starred in 'The Tudors' has one green eye and the other blue.

▲The actor has blue eyes with small green rings.

▲

The A-list actor has partial heterochromia, which means his eyes change from green to blue, depending on the light, according to the Telegraph.

▲

These celebrities have rare qualities, not only when it comes to talent, but also their eyes. These unique characteristics are either the result of an inherited condition called heterochromia, or other more unusual circumstances. But whatever the cause, their differently colored eyes have become a huge part of their character.

From Kate Bosworth to David Bowie and Mila Kunis, check out the stars with amazing eyes!