If you were hyped about Mariah Carey's performance at the 2013 BET Awards, I'd advise you to modify your expectations now to avoid unnecessary disappointment. The vocals themselves- especially on that intro- were FIRE but it's a shame that Mariah was lip-syncing for her LIFE throughout! She did look gorgeous though, but I'm not sure how much more I can say about this considering it wasn't live.
Now if she had managed to recreate those vocals for reals on the night, then this would have been a totally different story. I possibly wouldn't even have survived to have written this post, so overcome with pride I would have been. But I'm guessing Mariah chose to go with the (poorly done) ventriloquism act because she wanted everything to be perfect after the, let's just say, less than polished previous live versions of the song [here, here]. Here's hoping it has the desired effect of boosting sales.