1/6
Kevin Winter/Getty Images
LL Cool J & Taylor Swift
The hosts with the most get the ball rolling for the Nashville show.
2/6
Kevin Winter/Getty Images
Maroon 5
Adam Levine showed off his Voice...and his hips. Yow!
3/6
Kevin Winter/Getty Images
Hunter Hayes
The country cutie sang the nominees for Best Pop Vocal Album.
4/6
Kevin Winter/Getty Images
fun. & Janelle Monae
"We Are Young," indeed.
5/6
Kevin Winter/Getty Images
Ne-Yo
The singer let loose on "Let Me Love You (Until You Learn to Love Yourself)."
6/6
Kevin Winter/Getty Images
Dierks Bentley & the Band Perry
The singer joined the group for a tribute to Johnny Cash.
Check out all the action from the 2012 Grammy Nominations Concert