Chris Daughtry and his band are so popular and successful they're in demand for big gigs, like playing the Cosmopolitan in Las Vegas on Valentine's Day (oh, and by the way, you and your sweetheart can win a trip to see them).

But back in 2006, Chris was just a car service adviser from McLeansville, North Carolina turned American Idol hopeful.

Here's a fun look back on some of his most memorable competition performances.

#5.  'The Letter' by Joe Cocker (Chris' Idol audition!  Can you believe Simon said NO?!)

#4.  'Suspicious Minds' by Elvis Presley

#3.  'I Walk the Line' by Johnny Cash

#2.  'Hemorrhage (In My Hands)' by Fuel

#1.  'Renegade' by Styx