Trendy new travel break (8)
I believe the answer is:
interval
'break' is the definition.
(I've seen this before)
'trendy new travel' is the wordplay.
'trendy' becomes 'in' ('in' can mean fashionable).
'new' is an anagram indicator.
'travel' is an anagram of 'terval'.
'in'+'terval'='INTERVAL'
(Other definitions for interval that I've seen before include "Pause in middle of performance" , "Hiatus" , "Pause, break" , "A break as in travel" , "breather" .)