Christina Aguilera does impressions of Cher, Britney and Shakira on The Tonight Show Starring Jimmy Fallon
I AM FUCKING SCREECHING LIKE WHAT KIND OF WITCHCRAFT
THE BRITNEY SPEARS ONE I WAS FUCKING G A G G I N G
OMFFGGGGGGGGMGMGGMGMMGMGM
Absolutely outstanding.
(Source: https://www.youtube.com/)