Last night, Kellie Pickler was a part of NBC's "A Michael Buble' Christmas" special.  A bunch of famous faces appeared on the show including Justin Bieber, Oscar the Grouch, Ed Helms (The Hangover) and a few more.  Here is a lil portion of Kellie Pickler's performance of "White Christmas."  Hey- sidebar-  There are still tickets left to see Kellie Pickler, Rodney Atkins and James Wesley at Shea's on December 16th....go to wyrk.com to buy the tix.  C u there!!!!!!