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Nick Jonas helps out old pal and ‘Camp Rock’ co-star Demi Lovato as a guest mentor on the Oct. 10 episode of ‘X Factor’ — watch the new preview clip below!

Nick Jonas joins X Factor judge and former tour mate, Demi Lovato, as a guest mentor as the top 24 contestants head to the judges homes in the Oct. 10 episode. He seems to be having a great time — he even calls one contestant “sexy!”

Watch below:

Also on tonight’s episode, will.i.am helps out Britney Spears, Justin Bieber helps out L.A. Reid, and Marc Anthony joins Simon Cowell.

[The X Factor]

More X Factor News:

1. ‘The X Factor’ Recap: Paige Thomas & CeCe Frey Battle It Out — Again
2. ‘X Factor’ Recap: Emblem 3 & More Favorites Survive Boot Camp Round 1
3. Simon Cowell: ‘American Idol’ Drama Won’t Steal ‘X Factor’s Thunder