du Soleil's "O" during day 2 of the Life Is Beautiful Festival on October 27, 2013 in Las Vegas, Nevada. (Photo by FilmMagic/FilmMagic)

Life Is Beautiful Festival - Day 2

LAS VEGAS, NV - OCTOBER 27: Singer Tyler Joseph of Twenty One Pilots performs onstage during day 2 of the Life Is Beautiful Festival on October 27, 2013 in Las Vegas, Nevada. (Photo by FilmMagic/FilmMagic)

Life Is Beautiful Festival - Day 2

LAS VEGAS, NV - OCTOBER 27: Singer Charli XCX performs during day 2 of the Life Is Beautiful Festival on October 27, 2013 in Las Vegas, Nevada. (Photo by FilmMagic/FilmMagic)

Life Is Beautiful Festival - Day 2

LAS VEGAS, NV - OCTOBER 27: Singer Charli XCX performs during day 2 of the Life Is Beautiful Festival on October 27, 2013 in LasVegas, Nevada. (Photo by FilmMagic/FilmMagic)

Life Is Beautiful Festival - Day 2

LAS VEGAS, NV - OCTOBER 27: Musicians Alana Haim, Danielle Haim and Este Haim of Haim perform onstage during day 2 of the Life Is Beautiful Festival on October 27, 2013 in Las Vegas, Nevada. (Photo by Jeff Kravitz/FilmMagic)

Life Is Beautiful Festival - Day 2

LAS VEGAS, NV - OCTOBER 27: Musicians Danielle Haim and Este Haim of Haim perform onstage during day 2 of the Life Is Beautiful Festival on October 27, 2013 in Las Vegas, Nevada. (Photo by Jeff Kravitz/FilmMagic)

Life Is Beautiful Festival - Day 2

LAS VEGAS, NV - OCTOBER 27: Musicians Alana Haim and Danielle Haim of Haim perform onstage during day 2 of the Life Is Beautiful Festival on October 27, 2013 in Las Vegas,