The most common and most likely answer to this crossword clue is the 6 letter word LOOKER
I've seen this crossword clue in The Sunday Telegraph
L
O
O
K
E
R
More clues leading to the result LOOKER
- Spectator seeing throne with king and queen performing
- Can king and queen take against spectator?
- Witness old king and queen entertained by fool
- Lovely eye
- John, King, brought over Queen – she’s worth seeing
- Eye beautiful person
- Dishonest winner of hide-and-seek knockout!
- Witness beauty willing to participate
- One observing King and Queen behind small room
- Behold fine queen, a beauty
Buddy explains!

The straight part
We know that "Eye/someone gorgeous" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case eye/someone gorgeous = looker.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does LOOKER mean?
LOOKER noun- One that looks or is actively looking; a watcher; an observer.
- One having a specific look or appearance.
- Someone or something who is remarkably good-looking.
- A person who pretends to be interested in purchasing something but has no intention of doing so.