Lady Gaga makes a young girl's day...

YouTube singing star Maria Aragon, who's video of her singing and playing 'Born This Way' on the piano, has lived every fan's dream and was invited by Lady Gaga to sing a duet on stage. They also posed for a picture, which was tweeted by Gaga "Myself +10 year Old Lady Maria of Winnipeg. She signed my t-shirt, she ate my heart, just like you ▽"

Watch the YouTube clip of them both on stage in Toronto here

Gaga had earlier tweeted "Can't stop crying watching this. This is why I make music. She is the future" after initially seeing the video, and the talented 10yr old has also been on Ellen as well. Is Diana the next Grayson Chance or Justin Beiber?....only time will tell.

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