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(l-r) Shakira, Adam Levine, Usher and Blake Shelton during 'The Voice,' televised on Tuesday, April 30, 2013. (Ben Cohen/NBC) ( NUP_155861_1381.jpg )

Blake Shelton during 'The Voice,' televised on Tuesday, April 30, 2013. (Ben Cohen/NBC) ( NUP_155861_1197.jpg )

Shakira during 'The Voice,' televised on Tuesday, April 30, 2013. (Ben Cohen/NBC) ( NUP_155861_1211.jpg )

Adam Levine during 'The Voice,' televised on Tuesday, April 30, 2013. (Ben Cohen/NBC) ( NUP_155861_1214.jpg )

Usher during 'The Voice,' televised on Tuesday, April 30, 2013. (Ben Cohen/NBC) ( NUP_155862_1023.JPG )

(l-r) Holly Tucker, Savannah Berry, Grace Askew, Justin Rivers, Luke Edgemon, Danielle Bradberry, Taylor Beckham, 'The Swon Bros' and Carson Daly during 'The Voice,' televised on Tuesday, April 30, 2013. (Ben Cohen/NBC) ( NUP_155862_1799.JPG )

(l-r) Savannah Berry and Justin Rivers during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_1818.JPG )

Savannah Berry during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2799.JPG )

(l-r) Savannah Berry and Justin Rivers during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_1827.JPG )

Justin Rivers during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_1824.JPG )

(l-r) Savannah Berry, Carson Daly and Justin Rivers during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_1846.JPG )

(l-r) Savannah Berry, Carson Daly and Justin Rivers during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_1858.JPG )

(l-r) Holly Tucker and Luke Edgemon during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_1876.JPG )

Holly Tucker during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2551.JPG )

(l-r) Holly Tucker and Luke Edgemon during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_1895.JPG )

Luke Edgemon during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2879.JPG )

(l-r) Holly Tucker, Carson Daly and Luke Edgemon during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_1926.JPG )

(l-r) Danielle Bradberry and Taylor Beckham during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_1976.JPG )

Danielle Bradberry during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2904.JPG )

(l-r) Danielle Bradberry and Taylor Beckham during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2000.JPG )

Taylor Beckham during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2922.JPG )

(l-r) Danielle Bradberry, Carson Daly and Taylor Beckham during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2042.JPG )

(l-r) Grace Askew and 'The Swon Bros' during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2063.JPG )

Grace Askew during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2983.JPG )

(l-r) Grace Askew and 'The Swon Bros' during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2097.JPG )

'The Swon Bros' during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2092.JPG )

(l-r) Grace Askew, Carson Daly and 'The Swon Bros' during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2116.JPG )

(l-r) Josiah Hawley, Cathia, C. Perkins, Vedo, Audrey Karrasch, Jess Kellner, Ryan Innes, Michelle Chamuel and Carson Daly during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2142.JPG )

(l-r) Josiah Hawley and Jess Kellner during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2155.JPG )

Josiah Hawley during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_3254.JPG )

(l-r) Josiah Hawley and Jess Kellner during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2167.JPG )

Jess Kellner during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_3288.JPG )

(l-r) Josiah Hawley, Carson Daly and Jess Kellner during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2180.JPG )

(l-r) Josiah Hawley, Carson Daly and Jess Kellner during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2212.JPG )

(l-r) Audrey Karrasch and Michelle Chamuel during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2231.JPG )

Audrey Karrasch during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_3377.JPG )

(l-r) Audrey Karrasch and Michelle Chamuel during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2240.JPG )

Michelle Chamuel during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_3386.JPG )

(l-r) Audrey Karrasch, Carson Daly and Michelle Chamuel during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2279.JPG )

(l-r) C. Perkins and Vedo during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2309.JPG )

C. Perkins during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2307.JPG )

(l-r) C. Perkins and Vedo during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2320.JPG )

Vedo during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_3480.JPG )

(l-r) C. Perkins, Carson Daly and Vedo during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_3502.JPG )

(l-r) C. Perkins, Carson Daly and Vedo during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2352.JPG )

(l-r) Cathia and Ryan Innes during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2381.JPG )

Cathia during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_3529.JPG )

(l-r) Cathia and Ryan Innes during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2399.JPG )

Ryan Innes during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_3558.JPG )

(l-r) Cathia, Carson Daly and Ryan Innes during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_2442.JPG )

(l-r) Josiah Hawley, Cathia, C. Perkins, Vedo, Audrey Karrasch, Jess Kellner, Ryan Innes and Michelle Chamuel during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_3219.JPG )

(l-r) Justin Rivers, Holly Tucker, Blake Shelton, Danielle Bradberry and 'The Swon Bros' during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_3027.JPG )

(l-r) Josiah Hawley, Michelle Chamuel, Usher, Vedo and Cathia during 'The Voice,' televised on Tuesday, April 30, 2013. (Trae Patton/NBC) ( NUP_155862_3626.JPG )