NewsStar Sightings: Keith Urban Rocks Hard on New Year's Eve, Demi Lovato Celebrates Her Sister's Birthday & More!
NewsUsher Teaches James Corden His Club Walk, Cleans His Walk of Fame Star on 'Carpool Karaoke': Watch!
NewsAriana Grande Returning to Manchester for Charity Concert Featuring Katy Perry, Miley Cyrus, Justin Bieber & M
