These have all been number 1 on the UK singles chart:
1.
Leona Lewis - Run [10-24 December]
2.
Alexandra Burke - Hallelujah [24 December-4 January]
3.
Lady GaGa (feat. Colby O'Donis) - Just Dance [11-25 January]
4.
Lily Allen - The Fear [1-15 February]
Likely contenders for next week:
Taylor Swift - Love Story
Kelly Clarkson - My Life Would Suck Without You
Will we have the 5th female no. 1 in a row?
