Music News Demi Lovato and DJ Khaled book 20-city concert tour 10/27/2017 Demi Lovato is to kick off her 20-city, North American concert tour Feb. 26 in San Diego. 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: Demi Lovato DJ Khaled