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Former "The Voice" contestant Hannah Mrozak hits the stage at Summerfest

Posted: 12:28 PM, Jul 06, 2018
Updated: 2018-07-06 17:32:41Z

MILWAUKEE -- A Richfield teenager with a national following performed at Summerfest during its opening weekend. 

TODAY’S TMJ4 followed Hannah Mrozak when she was on NBC’s hit show “The Voice” last Winter – and caught up with her after Summerfest performance.

Watch the video above for more.