nancy odell is off tonight. >> and we have more in the aftermath of the manchester terror attack. >> ariana grande said she's returning to manchester to raise money to attack victims with a benefit concert. details still being worked out. she said our response to this violence must be to come closer together, to love more, to sing louder. >> it's awful. it's awful. >> meanwhile, arianna's friend katy perry paid tribute to the 22 victims. >> that's my friend, sister, brother, cousin, the person that loves music. you know? >> the singer's next stop, hull, england, where she will have stepped-up security. >> whatever you can do to help, you should. if you can't do anything, that's fine. but what you should do is not let them win. [ applause ] >> also performing, lorde, the chainsmokers, and shawn mendes. and tuesday, miley cyrus performed a tribute to the victims. >> it's been an eye-opener, for my friend arianna, it's beyond me. >> miley's mom said her daughter cried and has the family on edge, when it comes to miley's safety on tour. >> the fear of, they're out there performing and yo