The TV presenter flaunted his wild and crazy new 'do while out and about in New York on Monday evening (31 March).
Nick earlier gave fans a sneak peek at his new look via a couple of Instagram, saying: "I usually don't do #Selfies but I think my new hairstyle is worth it! #Animal #TheWildLife #IFinallyLostIt#Cheetah #CantCatchMe #TooFast #TryToKeepUp#wppm #Ncredible."
He added: "Took like 5 hours to do this!"
Last night, Nick was snapped heading to The Late Show with David Letterman studios where, just he stood out from the crowd in an all-white suit and black tie.
He's not one to shy away from attention, is he?!
Nick, who is married to Mariah Carey, is currently on the promo trail for his new album, White People Party Music, which is his first album in a decade.
"It doesn't feel like that time has gone by," he told Good Morning America. "I've been in music for quite some time, had a morning radio show, been on countdown for years, had jobs at record labels, have my own record label with artists.
"I think it was one of those things, 'Oh, I forgot to put an album out!' Because I'm so busy doing everything else. I wanted to do it from a place of, 'This is fun.' From the title to the characters, if you listen to the album, it's so funny."
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