Wolves Selena Gomez & Marshmello Download 'Wolves' on iTunes
The 'Right There' singer is looking forward to Mariah's appearance on The X Factor.
Mariah Carey is said to be joining the US X Factor as a guest judge and mentor to contestants, and Nicole Scherzinger thinks it's a great idea.
"We could learn a lot from Mariah," Nicole told press at a Hollywood party.
Meanwhile Tinie Tempah and Usher are rumoured to be making guest appearances on The X Factor in the UK helping Kelly Rowland, Tulisa, Gary Barlow and Louis Walsh pick their finalists for the live shows.