See how much pop stars like Rihanna, Britney Spears and more have changed their look since their music video debut.
Demi Lovato - Page 2
'You don't say, 'I can't decide what movie to watch, I'm so cancer,' Lovato said.
Our favorite pop music darlings — from Katy Perry to Sia to Diplo to Demi Lovato — showed off their red carpet-ready best immediately following the awards show ceremony.
Demi Lovato is a knock-out when it comes to jiu-jitsu.
From Rihanna to Charli XCX, see the best fashion looks from the 2017 Grammy Awards.
Demi Lovato wore a gold gown to the 2017 Grammy Awards red carpet.
Cast your vote for Justin Bieber, Ariana Grande, Sia, Adele or Demi Lovato.
Miley and Demi have all the same chemistry as bumping into a distant high school acquaintance in the Rite Aid check-out line.
DNCE and Pentatonix also join the 'Stayin' Alive: A Grammy Salute to the Music of the Bee Gees' concert, marking 40 years of the 'Saturday Night Fever' soundtrack.
Demi Lovato's ex Joe Jonas liked a photo of the pop star and her new beau, MMA Fighter Guilherme 'Bomba' Vasconcelos, on Instagram.