Pop star will embark on 20-date trek in support of new LP 'Tell Me You Love Me'
Country singer reigns in return from 15-year hiatus while late rock icon's 'Greatest Hits' surges to Number Two
The pop star on anger management, singing the national anthem before Mayfield vs. McGregor and the truth behind "Daddy Issues"
Our take on the sixth LP from the pop star
In 'Simply Complicated,' Lovato discusses music, eating disorder, substance abuse, romance
Lovato channels nu-disco on latest 'Tell Me You Love Me' cut
Comedian, singer also mimed Harry Styles, Niall Horan, Luis Fonsi in 'Tonight Show' sketch
Singer takes vicious shots at soon-to-be ex on new 'Tell Me You Love Me' single
Lovato showcases vocal firepower on title track of upcoming LP
Hear a preview of the title track
Grammy-nominated singer is a self-professed mixed martial arts, UFC fan
From Mariah Carey to Harry Styles to Adele to Michelle Obama, the best, most memorable musical segments on The Late Late Show with James Corden
Jamie Foxx, Wiz Khalifa join in on pop singer's extravagant summertime video
"This is an anthem for anyone who's ever been hated on ... and come out from the other side like a fucking savage!" singer says
Collaborative single debuted on the Hot 100 this week