Entertainment TV Britney Spears Is a 'Little Nervous' About First Live 'X Factor' Show Nevertheless, the pop star "can't wait" for Wednesday's big event By People Staff Published on October 31, 2012 05:10 PM Share Tweet Pin Email Photo: Ray Mickshaw/FOX It’s a big night for Brit! Wednesday is the long-awaited first live show of Fox’s The X Factor (8 p.m. ET), and Britney Spears, 30, has mixed emotions about the experience. “I am a little nervous,” the pop star told Extra‘s Terri Seymour. “But I’m excited. I’m really, really excited. I can’t wait.” The X Factor Goes Live! Readers React to Britney, Khloé, Mario and More Spears will be joined by fellow judges Simon Cowell, Demi Lovato and L.A. Reid. According to Cowell, the pop star may dress as a witch for the occasion – and for Halloween – though Spears says viewers will have to wait and see to find out what her costume will be. But Spears does expect some special guests to forgo trick-or-treating to be in the audience for the big night. Of sons Sean, 7, and Jayden, 6, Spears says, “I think they’ll probably come to the show, yeah.”