0One Direction, Neil Patrick Harris & More Stars’ Twitter Pictures (Photos)Self-PortraitistsJustin Bieber meets Psy, Anna Kendrick joins Instagram, and more of the best shots stars tweeted this week.Updated Jul. 14, 2017 2:42AM ET / Published Nov. 25, 2012 4:45AM ET Psy Alicia Keys Neil Patrick Harris Carly Rae Jepsen Justin Bieber Sarah Hyland 50 Cent Pink Tavi Gevinson Alexa Chung One Direction Anna Kendrick
Psy Alicia Keys Neil Patrick Harris Carly Rae Jepsen Justin Bieber Sarah Hyland 50 Cent Pink Tavi Gevinson Alexa Chung One Direction Anna Kendrick