The X Factor Top 13: Great Groups?

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We're back with our final rundown of last night's live performances on The X Factor.

Were you a fan of the Teens? What about Demi Lovato's Young Adults? Or L.A. Reid's older generation of singers?

Or perhaps Simon Cowell and his Groups are most up your alley? Compare Emblem3 with Lyric 145 and the newly-named Fifth Harmony below and then vote on your favorite from the evening...

Which performance stood out from the others?