Nick has the final of Radio 1's big Brits competition!
Ed Sheeran co-hosts with Grimmy, plus Taylor Swift drops in!
Jim Parsons from The Big Bang Theory talks about his new film, plus David Guetta drops in.
Naomi Campbell adds some glamour and Natalie Cassidy gives us the goss from Eastenders
Grimmy has a chance for listeners to meet the Hollyoaks cast and get a tour of the set.
Kelly Clarkson is probably the best guest ever
Grimmy plays Call or Delete with Ne-Yo. This could be interesting...
Fifty Shades of Grey star Jamie Dornan and Florence Welch join Nick for a big show!
Dan of Dan & Phil fame drops in to talk about the special anti-bullying Internet Takeover.
Nick has a chance to win tickets to see Taylor Swift in Glasgow.
Nick Jonas plays Call or Delete with Grimmy.
Tanya Burr pops in with some vlogging tips for #Fiella.
Rochelle Humes rounds off the Comic Relief co-hosts, plus Nick catches up with Rita Ora.
Keith Lemon co-hosts the show with Nick and the team. It could get silly!
Alan Carr co-hosts the show with Grimmy, plus Ne-Yo pops in!
Douglas Booth co-hosts for Comic Relief & Greg James is live from Uganda.
Richard Hammond joins Grimmy for the first in a week of Comic Relief co-hosts.
Rosie Huntington-Whiteley pops in, plus it's Friday - must be The Nixtape!
Ellie Goulding joins Grimmy to talk about her song in the 50 Shades of Grey movie.
Nick has tickets to see Jessie J in concert up for grabs.
Paddy McGuinness is Grimmy's special guest.
We speak to Alfie Deyes on the phone and try to launch Fiona's new career as a vlogger!
Grimmy reveals the location for Radio 1's Big Weekend 2015, plus your Friday Nixtape!
Johnny Depp, Paul Bettany and some Musketeers. It's going to be a busy show...
Grimmy may be able to help if you fancy a trip to see Ed Sheeran live at Wembley.
Nick chats to Mark Ronson and Dermot O'Leary, although not necessarily at the same time.
Ella Eyre joins Grimmy for a spot of Call or Delete.
Nick catches up with Rita Ora ahead of The Voice, plus it's Friday - must be The Nixtape!
Unique humour and great music - it's Grimmy and the Radio 1 Breakfast Show.
Grimmy plays Call or Delete with Ariana Grande.