Pete Allison sits in for Dev to wake you up or keep you up!
Listen live (BBC Radio 1 homepage)
Joey Essex is Grimmy's special guest.
Gemma Cairney sits in for Fearne Cotton with Chvrches in the Radio 1 Live Lounge.
Matt Edmondson takes over from Scott Mills for the day.
Help another listener out of their dilemma in Ask the Nation.
Another 10 Minute Take Over and more musical goodness.
Sky Ferreira joins Zane for Fan Club and there's a Hottest Record from The Kooks.
Edith is joined by Jamie from Klaxons and Jonathan from 7-Bit Arcade.
Phil Taggart's off, but Alice is here, catching up with Dev Hynes from Blood Orange.
Big Ups are in session from Maida Vale for Mike.