Music News Demi Lovato rings in her birthday with Ariana Grande -- "So so happy" 08/20/2019 Demi Lovato was feeling "so so happy" as she rang in her 27th birthday with Ariana Grande. 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 Ariana Grande Scooter Braun