Music
Dance track 'What's It Gonna Be' – a collaboration between production duo H 'two' O and vocalists Platinum – rockets from seven to two, while Nickelback's 'Rockstar' slips a place to three.
Kylie Minogue's 'Wow' zooms from 18 to five, becoming the Australian popstar's 15th top ten hit in a row.
Elsewhere, rapper Flo Rida climbs from 40 to 22 with 'Low', while Taio Cruz ascends from 42 to 23 with 'Come On Girl'.
The top ten UK singles in full:
1. (1) Duffy: 'Mercy'
2. (7) H 'two' O ft. Platnum: 'What's It Gonna Be'
3. (2) Nickelback: 'Rockstar'
4. (3) Basshunter: 'Now You're Gone'
5. (18) Kylie Minogue: 'Wow'
6. (5) Adele: 'Chasing Pavements'
7. (4) David Jordan: 'Sun Goes Down'
8. (6) Rihanna: 'Don't Stop The Music'
9. (11) OneRepublic: 'Stop and Stare'
10. (8) Kelly Rowland: 'Work'
> Did The Feeling manage to chop the UK albums chart? Click here to find out
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