Justin Bieber pictures at Z100 Jingle Ball

Justin Bieber gets on his knees as he performs on stage at the Z100 Jingle Ball 2010 held at Madison Square Garden in NYC on Friday night (December 10).

The 16-year-old musician was joined by best guy pal Jaden Smith on stage during “Never Say Never” and buddy Sean Kingston!

Justin tweeted after his set, “Great show!! Can’t believe its been a year. Last year we did this show with a broken foot