Christina Aguilera thinks Britney Spears will be a ''great'' 'X Factor' judge.

The 'Fighter' hitmaker - who is also a coach on singing contest 'The Voice' - wishes her former 'All-New Mickey Mouse Club' co-star well in her new role on the rival talent search show.

Kelly Rowland has warned 'X Factor' judges Britney Spears and Demi Lovato that Simon Cowell will blame them if anything goes wrong.

The Destiny's Child hitmaker spent one season on the panel of the UK version of the show and although she loved the experience, she admitted it can be tough.

Ashley Roberts is in the running to host the US 'X Factor'.

The former Pussycat Dolls singer had auditioned for producers on the show and will meet with executives at Fox this week to discuss the possibility of her presenting the talent contest after Steve Jones was sacked after the first series, according to E! News.

Britney Spears thinks 'The X Factor' has been ''really good'' for her.

The 30-year-old singer has joined the judging panel of the show alongside Demi Lovato, Simon Cowell and L.A. Reid and is enjoying using her pop experience to help the aspiring contestants.

Britney Spears is ''as sweet as a lemon'' when judging 'The X Factor' USA.

The 'Toxic' singer has just recently finished filming auditions for the second series of the pop star search show, and boss Simon Cowell says she is not afraid to hold back on contestants who are not up to standard.