1. He was attacked by that dangerous thing we call an affectionate hug.
(in reality, he was more injured by the security's reckless protective measures)
2. The piano got pushed by quite some force there.
(in reality, they weigh more than a bookshelf, try pushing one over)
3. Justin Bieber can sing even when in a tight situation like that!
(in reality, there wasn't even a slight gasp or even a short delay in his singing, I want you to try singing perfectly while getting knocked over. Though, I give him credit for his quick recovery to fool the fans.)