James Arthur's on the Official Chart sofa, plus Jameela chats Teen Awards with Icona Pop!
Friday Download's Dionne Bromfield and George Sear help out on the show.
Conor Maynard and OneRepublic's Ryan Tedder join Jameela for the UK's Official Chart.
Chase and Status and The Vamps join Jameela in as she counts down to the UK's Number 1.
Jameela catches up with James Arthur on the set of his new video.
Jessie J is on the Official Chart sofa and Jason Derulo chats to Jameela.
Example takes Jameela on a behind the scenes tour of his video set.
Katy Perry chats to Jameela and Dan and Phil have the Top 5 albums.
Rizzle Kicks are in the studio with Jameela and she hears from Ellie Goulding.
Scott catches up with Lady Gaga and Naughty Boy and Ellie Goulding holds onto the top spot
Tinie Tempah picks out questions at random and Ellie Goulding sends in a video message.
Tinie Tempah joins Jameela in the studio and Scott chats to Miley Cyrus.
Eliza Doolittle plays Chart Twister and The Wanted give us a sneak peek backstage on tour!
Avicii makes it 2 weeks in a row and keeps One Direction from the top spot.
Jameela gets a little help from Pete Tong to reveal the UK's Official No 1
Iggy Azalea joins Jameela in the studio to help count down the new Top 10 singles.
John Newman joins Jameela and Britain's Got Talent finalist Gabz drops in.
The Wanted and Icona Pop are this week's guests on the Official Chart sofa.
Dizzee Rascal and Jason Derulo both grace the Chart sofa!
Jessie J, Leah McFall and a massive Mumford and Sons competition.
Robin Thicke answered YOUR questions and Fuse ODG dropped in.
Demi Lovato counted down the Top 3 with Jameela!
Wretch 32 joined Jameela! Plus backstage gossip from Little Mix at Friday Download
Jameela chatted to elusive DJ Chris Malinchak and Daft Punk stayed lucky at number one
Passenger joined Jameela to find out where his track landed in the Official Chart!
Loveable Rogues joined Jameela in the studio!
Rudimental are live in the studio when they find out that Waiting All Night is number 1!
Jameela counts down the UK's new Top 40 to reveal the week's No 1.
Listen or watch as Jameela counts down the Top 10 to reveal the UK's new Official No 1.
Jameela chats to Ant & Dec (PJ & Duncan)about their suprise chart hit!