By now we all have seen Maria Aragon's powerful performance of "Born This Way" viral video -- either her original performance from home or her performance on Ellen DeGenerias.  Thursday, Lady Gaga and Maria performed together in Toronto's.  We have the video of Lady Gaga inviting Maria to perform a duet after the jump.

There are times that it seems that Lady Gaga is all about the "shock value." What do you think?