Nicole Scherzinger has insisted that she will be tougher when she returns to The X Factor.
The former Pussycat Doll has said she will not wear her heart on her sleeve as much when she joins the judging panel.
Nicole was a guest judge on the UK show before she became a judge on the US version for a series.
Scherzinger told Cosmopolitan: "[i]X Factor[i/] UK has a special place in my heart.
"The thing I battled with last year [on [i]X Factor[i/] USA] was the rejection part, having to let contestants go.
`But I've grown so much since then. I'll make sure I continue to give 110% of me but not wear my heart on my sleeve as much."
Discussing her time on the US show, Nicole added: "People didn't see I committed six days a week and put everything to one side to help those contestants.
"You only have one person to answer to at the end of the night, and if you're happy with yourself that's all that matters.
"It's hard when you feel the pressure. Sometimes people lose their identity in this industry. But I refuse to waver from who I am."
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