Star fought back tears while chatting with guest Rita Wilson.
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Did the Season 6 winner get all her prizes?
The Battle Rounds began with an epic pairing that Clarkson using her Triple Turn advantage.
Jennifer Hudson stepped in to coach Clarkson's team members in her absence.
The talk show host won the reality competition series 23 years ago.
Clarkson also shared why the decision was the best move for her family.
Plus, how her diagnosis led to her weight loss and more.