When Mariah Carey makes a promise, she most certainly keeps it.

For, earlier this week she promised her fans a ‘Holiday Surprise’ and surprise them she did when she delivered the ‘Global Christmas Extravaganza Concert‘, a virtual showing beamed across various locations in Europe as part of   T-Mobile’s ‘Life’s For Sharing’ series.

Watch the entire performance below…

That Grape Juice is currently on the look out for Mariah’s live singing voice- we’ll let you know when we find it.

Your thoughts?