Mariah Carey -- Drunk or Just Tightly Bound?

1/7/2010 9:17 AM PST
Mariah Carey appeared to have some trouble walking to the stage at last night's People's Choice Awards -- but this time, should she blame it on the a-a-a-a-a-alcohol ... or that extremely tight dress?

Just one night before, Mariah was admittedly hammered on stage at an awards show in Palm Springs -- where she slurred and stumbled through her speech.

Last night, she had no problem talking -- just walking.

So the question ...