Celebrities Catch Bieber Fever!
Do You Belieb?
From Katy Perry to Khloe Kardashian, a slew of celebs came out for Justin Bieber's Los Angeles show on Wednesday night. Girls star Lena Dunham was among those tweeting about the performance, writing: "Important to note: Justin Bieber is attractive but he is not an adult."
Click the pics to see what other famous Beliebers were in attendance.