Fifth Harmony's "Stronger" - THE X FACTOR USA 2012

Fifth Harmony fittingly performed Kelly Clarkson's "What Doesn't Kill You (Stronger)" on the Number Ones-themed Top 8 night. The judges liked it. "I think that this is probably one of the best performances you guys have ever given," said Demi Lovato.

"What Doesn't Kill You Makes You Stronger" performed by "Fifth Harmony" on THE X FACTOR USA

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Expect the unexpected when the world's only $5 million audition returns with two new superstar judges and more surprises and twists. Season 2 of THE X FACTOR features global pop icon Britney Spears and multi-talented artist Demi Lovato on the judging panel, alongside returning judges Simon Cowell and L.A. Reid.

Fifth Harmony's "Stronger" - THE X FACTOR USA 2012
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