I laughed when the guy was looking at the lyrics. Oh well Kelly barely knows her own lyrics too so it's ok
Kelly always has fun when she's singing and has a big ol' smile. I love Cassadee bowing to her at the end. She said at the beginning of The Voice in some interview that she'd love to meet Kelly one day and she's a fan of hers.
Also, how adorable was Kelly when she said "my fiancé" she's such a dork. Love her!