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COMING UP: Hard Luck Husband?, Tonight At 10 (Watch Preview)

Live on Letterman

Dierks Bentley (Photo Credit: Kevin Winter/Getty Images for ACM)

Watch ACM Awards Artists Play Live On Letterman

2012 ACM Awards nominees Dierks Bentley, Rascal Flatts and Taylor Swift perform for Live on Letterman. Check it out…

03/09/2012

Singer Katy Perry performs onstage during the 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California.  (Photo by Kevin Winter/Getty Images)

Watch GRAMMY Artist Performances From Live On Letterman

Katy Perry, Adele, Coldplay, Wilco and other 2012 Grammy nominees perform Live on Letterman.

02/03/2012