One Direction’s Niall Horan tweets congrats to new X Factor USA judge, Demi Lovato

When the news was announced that Demi Lovato will be joining The X Factor USA panel, we knew it wouldn't be long until the messages of congratulations came pouring in from celebrities.

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And it seems that the new X Factor USA judge, Demi Lovato has a fan in One Direction's Niall Horan as he's tweeted her to say well done.

[Related article: Britney Spears and Demi Lovato confirmed for X Factor]

[Related article: Niall Horan meets his idols]

The One Direction star tweeted his congratulations to Demi Lovato, saying: "congrats @ddlovato...look after @SimonCowell uncle simon for us." [sic]

We love the thought of One Direction calling Simon Cowell Uncle Simon.

X Factor USA, LA Reid, Demi Lovato, Simon Cowell, Britney SpearsThe X Factor USA judging panel line-up, including Demi Lovato. Copyright [WEN]The news that Demi Lovato will be joining the X Factor US judging panel came on Monday night. Joining Demi and Simon Cowell in the lineup is LA Reid and Britney Spears.

Simon Cowell seemed very pleased with himself once the judging panel was confirmed, tweeting: "Can't believe it's finally happened. Very exciting! @thexfactorusa #xfactor #SimonBritneyDemiLa" [sic]

Demi tweeted her excitement saying: "It's official! #SimonBritneyDemiLA #DemiXFactor. I am so excited!!!!" [sic]

With Demi Lovato and Niall Horan now palling up over Twitter, we wonder whether she can put in a good word for One Direction with Simon Cowell and get the lads on the live X Factor shows? *crosses fingers*