Vatican chapel (7)
I believe the answer is:
sistine
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">vatican chapel</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sistine that I've seen before include "Chapel with stunning ceiling" , "Famous Chapel in Vatican with Michelangelo paintings" , "Vatican chapel name" , "-- Chapel (in Rome)" .)