Nicole Scherzinger quitting `X Factor`?

London: Singer Nicole Scherzinger says she might not return to judge British singing show ‘The X Factor’.

Scherzinger, 34, wants to leave it on a happy note.

"I`m really glad I did the show. I don`t know if I`ll come back next year. End on a high, right?" quoted Scherzinger as saying.

"This year has changed my life. As an artist, it`s put into perspective what I want, how to go about it," she added.

The singer shares the judge`s panel with Gary Barlow, Louis Walsh and Tulisa Contostavlos.