Pentatonix ~ Medley: Oops!...I Did It Again / Toxic / Hold It Against Me ~ The Sing-Off

Awesome Britney Spears Medley by Pentatonix, season three champions of "The Sing-off"!

http://www.ptxofficial.com/
Facebook: Pentatonix


DISCLAIMER:
I own nothing! This video is for entertainment purposes only. No copyright infringement intended! © NBC Universal, Inc. SYCO TV & FremantleMedia North America, Inc and Sony Music Entertainment.

• #music
• #britney_spears
• #pentatonix
• #mitch_grassi
• #scott_hoying
• #avi_kaplan
• #kirstin_maldonado
• #kevin_olusola
• #sing_off