So Lady Gaga's 'Telephone' music video has some pretty interesting scenes in it, but I bet you didn't know that there are a few surprises in her new music video, apparently even Lady Gaga makes a mistake or two, or ten to be exact.

For example, #2 House of Gaga is mispelled, it should be 'Haus of Gaga.'  Another one is #5, did you notice that one girl in the video that looks strikingly similar to Gaga, that's her sister Natali Germanotta who makes an appearance in the video.

Check out the rest of the 10 Hidden Surprises In Lady Gaga’s “Telephone” Video.