Kimmel Live: People write very nasty things on Twitter. From time to time on this program, we shine a light on that. We are pleased to bring you our second all-music edition of #MeanTweets featuring Josh Groban, Drake, Lady Gaga, Sam Smith, Jessie J, Blake Shelton, Haim, Wiz Khalifa, Ed Sheeran, Iggy Azalea, Pitbull, Sia, Childish Gambino, Britney Spears, Ariana Grande, Jason Aldean, 5 Seconds Of Summer, Katy Perry and Psy.