Beliebers are in for a treat: Justin Bieber
is headed to "The X Factor
."According to Just Jared
, the teen heartthrob teamed up with his manager Scooter Braun and "X Factor
" judge L.A. Reid
on Monday to film a segment for the singing competition show.Bieber expressed his excitement about being a celebrity guest mentor on Twitter later that day. An appearance on "The X Factor
" isn't Bieber's only upcoming TV role. The singer will also be ...