The 19-year-old singer confirmed reports he is in talks to take on one of the two vacant positions on the judging panel of the US show and said it would be a ''dream come true''.
He tweeted: ''The rumors are true ... I am being considered to be a judge on American Idol, and it would be a dream come true if it happens. #nickonidol (sic).''
It was recently revealed that Nick and Pharrell Williams are in talks to join the panel alongside Mariah Carey after Jennifer Lopez and Steven Tyler quit and amid speculation that Randy Jackson is expected to move to a mentoring role.
A source said: ''Nick is pretty close to signing to be the 'Idol' judge. They flew him in to L.A. for final meetings.
'''American Idol' producers think he can help bring that younger demo to the show.''
Pharrell is currently negotiating the terms of his contract with the source adding: ''Everything is looking good, but they're still working out details.''
Mariah recently spoke out about her excitement at signing a deal with the television talent show.
She said: ''As a singer, songwriter and producer, it's going to be fun and rewarding to help find new talent and give back to 'American Idol'.
''I'm currently in the studio working on my new album and its first single, 'Triumphant,' which will be out early next month. I can't wait to channel my creative energy as a part of this show which is a massive global phenomenon.''
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