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Bruno Mars performs "Just The Way You Are" during "The GRAMMY Nominations Concert Live!!" in 2010. The 55th GRAMMY Awards airs 2/10/13 on CBS! #TheWorldIsListening

Cover Girl & GRAMMY nominee Janelle Monae performs at the #GRAMMYNoms Concert in Nashville on Dec. 5th. The 55th GRAMMY Awards air 2/10/13 on CBS! #TheWorldIsListening

Black Eyed Peas perform "I Gotta Feeling" during "The GRAMMY Nominations Concert Live!!" in 2009. The 55th Annual GRAMMY Awards air 2.10/13 on CBS! #TheWorldIsListening Photo: Michael Caulfield / WireImage. com

Luke Bryan performs at the #GRAMMYNoms Concert on Dec. 5th in Nashville. The 55th GRAMMY Awards airs 2/10/13 on CBS! #TheWorldIsListening Photo: Kevin Winter/Getty Images

Nate Reuss of Fun. from the #GRAMMYNoms Concert Dec. 5th in Nashville. The 55th GRAMMY Awards air 2/10/13 on CBS! #TheWorldIsListening

Adam Levine performs at the #GRAMMYNoms Concert in Nashville on Dec. 5th. The 55th GRAMMY Awards air 2/10/13 on CBS! #TheWorldIsListening Photo: Christopher Polk/Getty Images

Taylor Swift co-hosting the #GRAMMYNoms Concert with LL Cool J on Dec. 5th in Nashville. The 55th GRAMMY Awards airs 2/10/13 on CBS! #TheWorldIsListening

Co-hosts Taylor Swift and LL Cool J backstage at "The GRAMMY Nominations Concert Live!! — Countdown To Music's Biggest Night" on Dec. 5 in Nashville #TheWorldIsListening Photo: Larry Busacca / WireImage.com

LL Cool J, Taylor Swift and Maroon 5's Adam Levine backstage at "The GRAMMY Nominations Concert Live!! — Countdown To Music's Biggest Night" on Dec. 5 in Nashville #TheWorldIsListening Photo: Larry Busacca / WireImage.com

Fun. is nominated for six GRAMMYs at this year's 55th GRAMMY Awards on Feb. 10, 2013! #GRAMMYs #TheWorldIsListening

L Cool J, Taylor Swift and Adam Levine onstage at "The GRAMMY Nominations Live!! — Countdown To Music's Biggest Night" on Dec. 5 in Nashville. Tune in to the 55th GRAMMy Awards 2/10/13 on CBS! Photo: Larry Busacca/Getty Images