Watch Sonali's interview with Nicole
New US X Factor judge Nicole Scherzinger has said that Simon Cowell taught her how to be a judge.
She was a guest judge on UK X Factor 2010: "I couldn't say no to people and Simon taught me really fast."
Nicole is "excited and honoured" about her new role. "I was on a show called Popstars... so I've been through that whole audition process.
"I can hopefully be of some service mentoring these contestants, coming from the same place."
Nicole was chosen on Popstars to be in a girlband called Eden's Crush. She later joined the Pussycat Dolls.
The judge revealed how she plans to keep contestants at ease: "I try to keep a big fat smile on my face so they feel like I'm there for them."
On what she's looking for in the winner: "I know the work that I've put into where I've got where I am today - my entire life - and how serious I've taken it and how hard I've worked. So I'm really looking for someone like that."