If you could have lunch with anyone in the world, dead or alive, who would it be? We love asking ourselves questions like this and fantasizing about how we would interact with our heroes who are no longer alive. Maybe you'd want to share a meal with Abraham Lincoln, or take a stroll through town with Cleopatra. Sounds like a lot of fun, right?
Well, thanks to the technology behind holograms, that's exactly what modern singers are able to do. We've already seen Celine Dion share a stunning duet with Elvis on American Idol that brought the "King of Rock and Roll" into the 21st century, and now Martina McBride has done one better. Instead of bringing Elvis into the present, McBride took a trip back in time to sing a Christmas classic with the King himself.