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'Videocourtesy ofCBS'

Mini diva Ariana Grande last night (February 8) took to the Grammys stage delivering a heart-wrenching performance ofJust A Little Bit Of Your Heart. It was so heavenly in fact it even took her breath away with the Problem hit maker clasping her hands over her mouth as the song ended.

Dressed in a long, black dress and accompanied bystrings and a gorgeous see-through grand piano, Ariana stood solo at the mic as smoke wisped around her.

Earlier in the night Ari and her beau Big Sean took to the red carpet and gave us the cutest PDA ever before taking her seat for the ceremony in whichshewas nominated for Best Pop Vocal Album and alsonominated with Jessie J and Nicki Minaj for Bang Bang.

Check out the 57th Grammy Awards Winners list here.