Matrix and Futurebound join Jameela and Pharrell returns to the top spot with 'Happy'
Pitbull and Ke$ha take the first Number 1 of 2014 with 'Timber'.
Jameela revisits the biggest Chart interviews of 2013 including Miley Cyrus & Ryan Tedder
Scott and Jameela reveal 2013's Christmas Number 1!
Jameela catches up with Jason Derulo and looks at the contenders for Christmas Number 1
Ryan Tedder tries to predict what's Number 1 and Jameela chats with Ellie Goulding
Calvin Harris, Alesso and Theo from Hurts catch up with Jameela and Scott chats to McFly
In the closest Chart battle of the year, Jameela's joined by Lily Allen and Bastille
Jameela catches up with Lily Allen and the UK's new Official No 1 Martin Garrix
Little Mix hop on the Official Chart sofa and Jameela catches up with Storm Queen
Jessie J, Tinie Tempah and Fall Out Boy join Scott backstage at the Teen Awards!
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!