A-list pop stars join Ariana Grande’s Manchester benefit concert

Ariana Grande left Manchester quickly after the deadly bombing that followed her concert there a week ago, and now she’s returning in similar haste for a show this Sunday to benefit victims and their families. The “One Love Manchester” show will feature Coldplay, Justin Bieber, Katy Perry, Miley Cyrus, Niall Horan and Pharrell Williams in addition…