Dev has live Catfish and the Bottlemen from Radio 1's Big Weekend.
Dianna Agron, you know, from Glee plays Leave It, Yeh!
Alice has highlights from Muse's set at Radio 1's Big Weekend. Plus, two more callers compete in this week's Bore Off and we reveal the all important Official Chart number 41.
The Official Chart on Radio 1 with Jack Saunders
Jason Derulo finds out if he's No.1!
3 hours on BBC Radio 1 England
Clara hears from Jason Derulo and reveals how his bid for the top spot has gone!
Dan is joined by Tom Araya and Kerry King from Slayer, plus live music from Foo Fighters.
Phil Taggart has a Bedtime Mix from Guernsey's Mura Masa and an exclusive from SOAK
Monki has a Lights On mix from Shiba San.
Adele kicks off her brand new Radio 1 show with help from Here All Week resident Melissa!