Charlie wearing make up right now (2,4)
I believe the answer is:
at once
'right now' is the definition.
(I've seen this in another clue)
'charlie wearing make up' is the wordplay.
'charlie' becomes 'C' (phonetic alphabet).
'wearing' means one lot of letters goes inside another.
'make up' becomes 'atone' (to atone for something is to make up for it).
'c' inserted within 'atone' is 'AT ONCE'.
(Other definitions for at once that I've seen before include "Instantly" , "A no etc (anag)" , "Immediately, without delay" , "simultaneously" , "without pause" .)