Hillary Clinton before the band’s sold-out show at Madison Square Garden.
“Clinton was holed up in Stevie’s dressing room for a long time before the show,” said a spy.
Bill O’Reilly was apparently seen hanging in a backstage hallway.
Clinton also mingled “with the entire band, taking photos and chatting,” while other VIPs included Joe Jonas and Sophie Turner, and newly minted Oscar winner Mark Ronson.