The most common and most likely answer to this crossword clue is the 3 plus 5 letter word RED GIANT
R
E
D
G
I
A
N
T
More clues leading to the result RED GIANT
- Big star treading clumsily
- Bloody great star
- Clumsy tragedian, not a star
- Diamonds pinched by, say, outwardly merry megastar?
- Star and tiger after a mauling
- Glittering star looking happy about endless advantage
- Two different pandas — one massive star!
- Outrageous tragedian dismissing one amateur star
- Star reading different script, ultimately
- Laughing about Eimi finally attracting heavenly body!
Buddy explains!

The straight part
We know that "star" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case star = red giant.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.