Group of stars (5,4)
I believe the answer is:
dream team
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">group of stars</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for dream team that I've seen before include "Group considered as perfect for a given task" , "Ideal combination" , "Perfect combination of people for a task" , "An ideal mix of people" .)