Merkel of moviedom (3)
I believe the answer is:
una
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">merkel of moviedom</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 una that I've seen before include "of satellite with no sides" , "- Stubbs, Eng. actress" , "She's one in Italy." , "Diego's one" , "lady" .)