My friends in Toronto, Canada went to the show last night and said it was AMAZING!

The 10-year-old Winnipeg YouTube star, Maria Aragon, performed ‘Born This Way’ alongside Lady Gaga Thursday Night at the Air Canada Center, twice.

"Lady Maria" is definitely a natural, as she looked perfectly calm on the piano in front of a sold-out show. How many people can say they've sang a duet with Lady Gaga onstage? What an incredible experience!

Here's the video from the concert last night (sorry it's a little hard to hear as the girl who's videotaping belts out some of the lyrics at times...but she's no Lady Gaga):

This video is a little more clear: