Pageant prize (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pageant prize</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for tiara that I've seen before include "Jewelled, ornamental headgear" , "expensive headwear" , "Woman's headdress for very formal occasions" , "Half a crown!" , "Jewelled coronet" .)