Jeff Bridges and Miley Cyrus are among the first presenters announced for the Grammy Awards, which will take place in Los Angeles on Jan. 31. Bridges stars as a faded country star in the new film, Crazy Heart. The soundtrack to Cyrus' Hannah Montana: The Movie has spent 38 weeks on Billboard's country albums chart and yielded the hit, "The Climb." Other presenters include Kristen Bell, Justin Bieber, Josh Duhamel, the Jonas Brothers, Norah Jones, Ke$ha, LL Cool J, Ricky Martin, Carlos Santana and Ringo Starr. The ceremony will air live on CBS.