2009. U.K. Number One Singles

Lady Gaga featuring Colby O’Donis – Just Dance. 3 weeks

Lily Allen – The Fear. 4 weeks

Kelly Clarkson – My Life Would Suck Without You. 1 week

Flo Rida featuring Ke$ha – Right Round. 1 week

Vanessa Jenkins and Bryn West featuring Sir Tom Jones and Robin Gibb – Islands in the Stream. 1 week

Lady Gaga – Poker Face. 3 weeks

Calvin Harris – I’m Not Alone. 2 weeks

Tinchy Stryder featuring N-Dubz – Number 1. 3 weeks

Black Eyed Peas – Boom Boom Pow. 2 weeks

Dizzee Rascal and Armand Van Helden – Bonkers. 2 weeks

Pixie Lott – Mama Do (Uh Oh, Uh Oh). 1 week

David Guetta featuring Kelly Rowland – When Love Takes Over. 1 week

La Roux – Bulletproof. 1 week

Cascada – Evacuate the Dancefloor. 2 weeks

JLS – Beat Again. 2 weeks

Black Eyed Peas – I Gotta Feeling. 2 weeks

Tinchy Stryder featuring Amelle – Never Leave You. 1 week

David Guetta featuring Akon – Sexy Chick. 1 week

Dizzee Rascal – Holiday. 1 week

Jay-Z featuring Rihanna and Kanye West – Run This Town. 1 week

Pixie Lott – Boys and Girls. 1 week

Taio Cruz – Break Your Heart. 3 weeks

Chipmunk featuring Dayo Olatunji – Oopsy Daisy. 1 week

Alexandra Burke featuring Flo Rida – Bad Boys. 1 week

Cheryl Cole – Fight for This Love. 2 weeks

JLS – Everybody In Love. 1 week

Black Eyed Peas – Meet Me Halfway. 1 week

The X Factor Finalists 2009 – You Are Not Alone. 1 week

Peter Kay’s Animated All Star Band – The Official BBC Children in Need Medley. 2 weeks

Lady Gaga – Bad Romance. 1 week

Rage Against the Machine – Killing in the Name. 1 week

Joe McElderry – The Climb. 1 week