Justin Bieber: X Factor Performance -- VIDEO!

Bundled up in black, Justin Bieber makes his way into the Fountain Studios to perform on the popular program, X Factor, in London on Sunday (November 28).

The 16-year-old musician performed his hits “Someone To Love” and “Baby” on the reality program which is just like American Idol.

Justin recently stepped out in NYC to promote his new book, “Justin Bieber: First Step 2 Forever.”