Naughty AND nice.
How are you going to deal with THAT, Santa??? LOLz!
One was a sweet, innocent, silver and white number that had feathery fluff all around the bottom. So good and pure!! Then the other was a seriously seXXXy red dress that hugged Ariana's curves, showing off her saucy minx side. Rawrrrr!
The day before, the 21-year-old rehearsed for the event in a far more casual (but still smokin' hot) ensem consisting of American Apparel high-waisted jeans and a red crop top.
Check out all of her delicious outfits in the photos (above)!
[Image via Getty Images.]
Tags: a, a very grammy christmas, american apparel, ariana grande, ariana grande photos, ariana grande red dress, ariana grande white dress, fashion smashion, holidaze, music minute, very grammy christmas 2014, very grammy christmas photos