The most common and most likely answer to this crossword clue is the 4 plus 7 letter word STAR STUDDED
S
T
A
R
S
T
U
D
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D
Buddy explains!
The straight part
We know that "in a Hollywood style?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case in a hollywood style? = star studded.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 STAR STUDDED mean?
STAR STUDDED adjective- Having a large number of celebrities (colloquially stars).
- Having a large number of visible celestial stars.