Justin Bieber Mentors X Factor Contestants with L.A. Reid
Justin Biber | Photo Credits: James Devaney/WireImage
Does The X Factor have Bieber fever?
"Long day but great day," Bieber tweeted Monday. "@LA_Reid @ScooterBraun just like old times!"
The X Factor kicks off its second season on Wednesday, Sept. 12 at 8/7c on Fox.