Justin Bieber's AMAs Performance 2012 - Watch Now!
After the acoustic performance, the 18-year-old singer was joined by Nicki Minaj while they performed their new single “Beauty and a Beat.”
Earlier in the night, Justin won Favorite Pop/Rock Male Artist and Favorite Pop/Rock Album for his recent album Believe.
FYI: Justin is wearing a black leather tank, red leather pants, and a ball cap custom designed by Kemal + Karla with Justin Bieber for Adidas sneakers.
Justin Bieber – American Music Awards Performance