"Hot in Herre” singer (5)
I believe the answer is:
nelly
'hot in herre singer' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for nelly that I've seen before include "Chump" , "Girl" , "See 11" , "Life" , "'Not on your - - !' (sl.)" .)