Singer Diana ____ (4)
I believe the answer is:
ross
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">singer diana</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ross that I've seen before include "US singer Diana" , "- and Cromarty, former Scottish county" , "Diana - (Supremes)" , "Wye town; Antarctic sea" , "Diana --, Motown singer" .)