[OzarkTom]

A lot of performers that do dance routines lip syncs, they have to because they are usually out of breath dancing and jumping around.
Like Britney Spears-
http://www.youtube.com/watch?v=7YMImTJIfDA


Christina Aguilera-
http://www.contactmusic.com/news/aguilera-lip-syncs-during-concert_1026221

And yes, even Obama-
http://www.youtube.com/watch?v=cCyPAaubENE

[OzarkTom]

Victoria’s Secret Angels lip sync Maroon 5′s “Moves Like Jagger”

http://hypetrak.com/2011/11/victorias-secret-angels-lip-sync-maroon-5s-moves-like-jagger/

Yep, so sad. Even the Victoria's Secret girls lip sync.

Oh well, who cares?