Ariana Grande - Greatest Hits Finale - (Whitney Houston Medley)

<p><span class="highlightNode">Ariana Grande</span><span>&nbsp;performs &ldquo;How Will I Know&rdquo;&amp; &ldquo;Queen Of The Night&rdquo; by Whitney Houston on the</span><span>&nbsp;</span><span class="highlightNode">Greatest Hits finale</span><span>&nbsp;on ABC!</span></p>