Demi Lovato stands up for the talent manager
The pop legend performed 'Vogue,' 'God Control'
The breakout artist has the top song in the country
The project calls for gun reform
'I felt like it was time'
Producer Dave Clark worked on the new song for two years
Ellen DeGeneres, Adam Rippon and more celebs score cameos
'You Need to Calm Down' is the second single from her album 'Lover'
26-year-old German songwriter gearing up for first headlining solo tour
New album ‘Happiness Begins’ is trio’s first new material in a decade
