Ke$ha, Kristen Bell, Josh Duhamel, LL Cool J also announced as presenters for January 31 show. By Gil Kaufman Justin Bieber Photo: Michael Loccisano/ Getty Images Miley Cyrus , Ke$ha, the Jonas Brothers and LL Cool J. Also scheduled to present awards are actors Kristen Bell, Jeff Bridges and Josh Duhamel and musicians Norah Jones, Ricky Martin, Carlos Santana and ex-Beatle Ringo Starr
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Justin Bieber, Miley Cyrus, Jonas Brothers To Present Grammys
