RARE! Britney Spears Performs "Butterfly" By Mariah Carey in Las Vegas (Piece Of Me)

to FLYYYYYYYYYYYY this is OBVIOUSLY not real.... :P I also don't own the clips used to make this edit. Credit go their original owners. ___ THANKS 4 WATCHING! Don’t forget to SUBSCRIBE and hit the BELL NOTIFICATIONS to keep updated with my latest uploads! FOLLOW ME HERE: Instagram: @tf.mariah_britney (Main Channel) and @tobey.m_genius (for Tobey Maguire fans) Twitter: @tfmariahbritney