Yeah, it was confusing to us, too. But last night's America Idol made reality TV a whole lot cooler in our eyes thanks to a duet performed live, sort of by Elvis Presley and Celine Dion. Yes, you read that right. The King of Rock and Roll and the Queen of sinking ships performed "If I Can Dream" in a spookily real choreographed performance. Think Star Wars-esque hologram technology we won't even try to describe it. Just watch. Then watch it again, because you won't be able to resist.