I SPY NY: New Year’s Eve with Mariah Carey, Patti Smith and More

I spy in NY on New Year’s Eve…

Mariah Carey belting it out at Madison Square Garden (top photo), Patti Smith performing (and celebrating her 63rd birthday) at Bowery Ballroom (middle photo), Nick Lachey and Vanessa Minnillo smooching at the Nivea Kiss Platform Party in Times Square (bottom photo), Chuck Berry performing at B.B. King, Cobra Starship and Josh Madden hanging at Hotel Rivington, Jennifer Lopez singing in Times Square, Gov’t Mule playing Beacon Theatre, Disco Biscuits storming Nokia Theatre, Deborah Cox hosting a party at the Chelsea Art Museum, and Leigh Lezark mingling at the Tribeca Grand Hotel.

Leighton Meester Sings "Good Girls Go Bad" Live with Cobra Starship for the First Time

We were seriously praying that Leighton Meester would spare us an appearance at the Cobra Starship/Boys Like Girls/The Maine concert Tuesday night at Nokia Theatre.

But, seeing how it was a New York show, and Meester is a delusional, we brought our video camera just in case.

And whaddaya know!

Meester got onstage in the middle of CS’ “Good Girls Go Bad” to perform a sultry, vocally-traumatizing rendition of the song.

We honestly don’t know how she gets away with this s***!!

Meester was scantily clad, dancing like an MF stripper, and bailing on all of her high notes! It’s as if she was (gasp!) auto-corrected on the studio version!

To top it off, this was Cobra’s first time collaborating live with Meester.

“One day I’m hoping Leighton Meester gets on stage and performs this song with us,” alluded Cobra frontman Gabe Saporta. “It would be the first time we’ve ever performed it together.”

That’s when Meester popped out of the sidestage and shimmied her way to the front, as Saporta screamed, “Oh my god, it’s Leighton Meester!”

Oh my god, it’s a delusional actress! is what he should have screamed.

Check out the trauma, if you dare, above.

I SPY NY: Adam Lambert, Rihanna and More

I spy in NY…

Adam Lambert performing on CBS’ The Early Show Wednesday (top photo), Rihanna at Juliet for her album release party Tuesday night (middle photo), Boys Like Girls hitting the sauce at Nylon magazine’s concert after-party at 1Oak Tuesday night (bottom photo), 311 rocking Hammerstein Ballroom Friday night, Leighton Meester committing atrocities to music at the Cobra Starship concert Tuesday at Nokia Theatre, Robin Williams packing the house at Town Hall Wednesday night, Maino performing in the middle of the night at Tenjune Wednesday, Jimmy Buffett rocking Madison Square Garden Tuesday, and Kid Sister tearing it up at Webster Hall Friday.