IN THE STREETS & ON THE WEB

"Girls" Actress Jemima Kirke Was Acting Like A Groupie For Jay Z

Confidenti@l: Ma’am, please remove yourself from Hova immediately.

Jay Z had back problems while filming a 10-minute performance video promoting his “Magna Carta Holy Grail” album. According to sources at midtown’s Pace Gallery, he needed help from security to lighten the load.

In the video, which debuted over the weekend, Jay Z talks about performance art and raps the single “Picasso Baby” live. The audience is a group of art world stars like Marina Abramovic and celebs including Alan Cumming and “Girls” star Jemima Kirke, who stood on the sidelines and took turns sitting on a gallery bench while Jay Z rapped to them during the seven-hour shoot.

But for quirky Kirke, watching quietly wasn’t going to work. In the video, she first takes her turn on the bench, letting Hova serenade her. Wearing hot pink pants and a black top, the smiley actress still has her act together as she lets down her hair and grins away. A short time later, the video cuts to Kirke, now draped on Jay like a cheap suit as he raps to the cheering crowd.

“She was acting totally nuts!” said one witness, who watched Kirke climb onto Jay’s back and hold on tightly while the hip-hop superstar walked about, rapping to fans without missing a beat. “She kept jumping on his back like a little monkey,” says our source.

Seeing Kirke going bananas, Jay Z’s security staff peeled her off the rap icon.

“Someone was screaming ‘Get her off of him!’ ” says our spy. Kirke went away kicking and begging, “Let us finish!” as she was removed from the gallery.

Rest assured, Jay never lost his cool.

“He kept rapping the whole time!” our amazed onlooker assures us.

This isn’t the first time that Kirke, a painter who plays the bohemian Jessa Johansson on the popular HBO show, has lost control during a performance art piece. In 2010 she was photographed bawling her eyes out at performance artist Abramovic’s “The Artist Is Present” MoMA exhibition, where Abramovic sat still for more than 700 hours, simply staring at visitors who took turns sitting across from her. Called for comment about their client’s Jay Z meltdown, Kirke’s reps said they knew nothing of the incident.