Justin Bieber Christmas Videos: Merry & Hot!

Justin Bieber delivered double the Christmas goodness to fans yesterday, appearing a couple of times on television during the joyous occasion.

First, our fifth most newsworthy celebrity of the year performed at the annual Disney World Christmas Parade, belting out two of his new holiday hits: "Mistletoe" and "Santa Clause is Coming to Town." Give them a listen now:

Justin Bieber Performs at Disney World

Bieber also greeted professional basketball fans when they tuned in for the NBA's first day of action, as he and Ludacris opened the full slate of games with a rendition of "Drummer Boy" that was interspersed by highlights of Derrick Rose, Kobe Bryant and company.

Check out the adorable baller below.

Justin Bieber NBA Promo