American Idol Season 10's favorite couple ~ the souful Sexy Beast Casey Abrams and the jazzy, sultry Haley Reinhart ~ perform an uber-hep duet of Moanin' by Sarah Vaughan on the Top 8 Show. Thanks to judges Steven Tyler, Randy Jackson and Jennifer Lopez for using your one and only "Save" on Casey! If you hadn't, the world would have missed out on this tres cool and sassy performance!