A-lister (4)
I believe the answer is:
star
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">a-lister</span>' is the definition.<br/ ><span class="explanation-format__explanation">(both can mean someone famous)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for star that I've seen before include "may be a dwarf or a giant" , "Outstanding person" , "Play a leading role" , "Five-pointed figure" , "Brilliant performer?" .)