Mary Ellen Matthews has photographed every host and musical guest for the show, broke building codes with Sarah Silverman and foisted hair spray on Donald Trump. She just wrote a book about it.

Harry Styles has briefly stepped out of the spotlight, and an insider exclusively tells Life & Style that he’s ‘been doing his own thing’ amid the hiatus.

HELLO! spoke to Grammy Award winner Harry Styles' personal trainer to get rare details on the workout that gets him ready for performances at the world's most iconic stadiums ...