On Tuesday night, all Top 9 Idols returned for another week of performances. This time, they tackled songs by The King, Elvis Presley. And who better to mentor them than Season 8 runner-up Adam Lambert?! He is one of the most popular Idol finalists ever, and his swagger and looks made some of his fans compare him to Elvis. Adam was also a fitting mentor because he knows first-hand what the Season 9 finalists are going through he was in their shoes just one year ago. Here are the Elvis Presley ...