This is spinal... brat? Charli xcx stars in mockumentary 'The Moment'

That's the conundrum at the heart of "The Moment," a tongue-in-cheek mockumentary starring Charli XCX as she grapples with her meteoric rise to fame and tries to prepare for a sell-out arena tour. "I'm obviously quite related to my character," the 33-year-old British singer quipped at the Sundance Film Festival, where "The Moment" premiered on Friday. "I would like to think I'm not as much of a nightmare as Charli in the film," she said to laughter. The celluloid Charli is indeed a bit of a nightmare...