Britney Spears performing 'Work Bitch', 'Womanizer', 'Break the Ice' and 'Piece Of Me' in her now finished Las Vegas residency.

-Special thanks to:
Agapolish
AJ Musselman
BritneySyndrome
Cyril
Daavaaad
Dominic Tantillo-Rodriguez
J GM
Kenny Chan
matt merino
Mike Jones
Nicole's Concert Videos
Sebatian Piazze

If I used your footage in here and you wanna be credited, please let me know.