Gwyneth Paltrow: Glee Concert Surprise Performance!

Gwyneth Paltrow hits the stage duringGlee Live! In Concert! on Thursday (June 16) at the Izod Center in East Rutherford, New Jersey.

The 38-year-old actress, who guest starred on the hit Fox show as substitute teacher Holly Holiday, belted out Cee Lo Green’s “Forget You.”

After performing “River Deep, Mountain High” with Amber Riley, Naya Riveraclaimed she was “the sassiest” member of the Glee club, when Gwyneth popped out, telling her, “Not so fast!”

Also pictured: Kevin McHale, Harry Shum Jr., Lea Michele, Dianna Agron, Mark Salling, Chord Overstreet, and Jenna Ushkowitz.

Jane Lynch also made a surprise appearance to kick off the Chevrolet-sponsored show, which was filmed for the upcoming Glee 3D concert movie, and to also introduce the Warblers.

Gwyneth Paltrow - Forget You

10+ pictures inside of the Glee cast performing in New Jersey…
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"Glee" Girls Cover Marie Claire

Lea Michele, Dianna Agron & Amber Riley cover Marie Claire.

Amber on who her real life Kurt is: “Kurt! Chris Colfer really is my Kurt. That’s my baby. Having his character at that other school - Dalton Academy - this season is driving me up the wall.”

Dianna on rumors about her and Lea: “Everybody is convinced that Lea and I are in a relationship. There are forums with photos of us hugging.”

Lea on auditioning for the show: “I was more afraid that they’d think I was using that as an excuse for being late. Because at first they were like, ‘Oh, my God are you OK?’ But after a while they were joking, ‘So that ‘car crash’ you were in…’ I literally had chunks of glass that I pulled from my hair and put on the table. I look back on that day and think, I can’t believe I did that. I left the car on the side of the road. But something came over me.”