Bravo! Guest has style (5)
I believe the answer is:
vogue
'style' is the definition.
(I know that style can be written as vogue)
'bravo guest has' is the wordplay.
'has' indicates the answer is hidden within the clue.
'VOGUE' is hidden in the letters of 'bravo guest'.
(Other definitions for vogue that I've seen before include "Fashion, style" , "Popular taste at a given time" , "Current fashion" , "Popular fashion" , "Current style in 13" .)