Music News Demi Lovato joins Christina Aguilera for duet, 'Fall in Line' 05/17/2018 Christina Aguilera has joined forces with Demi Lovato for a duet about being outspoken titled "Fall in Line." Read More RELATED NEWS From Tokyo to Las Vegas: Taylor Swift's flight to Super Bowl LVIII'Chucky' Season 3 trailer released by USA Network and Syfy'Quantum Leap' Season 2 visits L.A. riots, Salem Witch Trials, and more TAGS: Christina Aguilera Demi Lovato
