Well he did last night for his fans in NYC. They were sitting outside his hotel waiting for him for a couple days. As a thank you he sent them some pizza and eventually made his way there for some pictures and hugs. He tweeted
To all the fans outside the hotel I hear u. And I love u! Thanks— Justin Bieber (@justinbieber) August 1, 2013
Then he tweeted this picture after the show!
— Justin Bieber (@justinbieber) August 1, 2013