Did he know who Justin Timberlake was? How was his iPhone battery doing? Ellen Degeneres invited McKenna on her talk show to discuss the indelible moment -- and Justin Timberlake popped in for a surprise.

During the interview, Timberlake appeared via video and gave Ryan a great gift. "I'll tell you what I want to do. Because it was so unexpected that you came down and because all of this has happened, I thought to myself, 'I really want to meet you properly,'" Timberlake said. "I'm going to be coming to TD Garden on tour to play in Boston, so I would like to invite you and your family to come and I want to meet you."

McKenna was overwhelmed by the gesture and said: "Thank you so much! Oh my god!" Watch Justin Timberlake and Selfie Kid back in action - here.

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