When the mic drops: Celebrity stage drama —
Fans are usually ticked when a performer pulls out of a gig, but when Jonathan Knight did it in April 2013, concertgoers were just concerned. The New Kids on the Block member, seen in July, was performing in New York with his reunited bandmates when some of the audience began to notice that Jon was "visibly out of sync" with the rest of the group. When the other members tried to encourage him to sing, he lost his nerve and walked off stage. Later, Jon tweeted a simple apology to his fans: "I'm sorry......"