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."