01/03/2013 11:16 am ET Updated Mar 05, 2013

Shakira To 'Bust Heads,' Usher Promises Strict Style On 'The Voice'

The dust has barely settled on Cassadee Pope's big win on "The Voice" last month, but with big changes in store for the show's fourth season -- most notably the addition of two new coaches -- it's never too early to look ahead.

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