Does Eminem lip sync

nope, not at all

Demi Lovato doesn't lip sync. She enjoys singing and she's young and talented. One of the few actually...

She never did or will :)

not at all!.. i listen to all her music ( call me obsessive) and I've heard her sing live she sounds just like she does on the CD and she don't really need to lip sync

NO SHE DOESN'T if you don't believe me go on YouTube and type her singing live shes amazing PS everyone lip syncs on Music Videos

heck no she is a beautiful singer.

do she does not, she has sung live and she sounds marvelous.

yea my friends said that she lips sing that is totalynot true she is the best of all.
heck no she is a beutiful singer.
no she doesn't theres this video of her she singing and she fell down the stairs and she stopped singing so ha in yo face!