The twist: That's her brother. She's really marrying the car.
Mythbusterette says: "My fiancé Chris loves to race at autocross events and I love to ride along. In actuality I thought that he was going to propose that day but as soon as he let the car spin out I thought to myself 'Well, crap. Now it's DEFINITELY not happening.' Enjoy 'Eye of the Tiger,' you couldn't hear anything other than car noises so our friend who made the video just dubbed the whole thing because that's what Chris plays in the car when he races." Congrats kids! May your marri