All smiles (7)
I believe the answer is:
radiant
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">all smiles</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 radiant that I've seen before include "Resplendent" , "Bright" , "beaming with joy" , "glowing with happiness" , "Luminous" .)