Leona enters US top 40

Leona Lewis has entered the American top 40 with her debut US single.

'Bleeding Love', already a number one in more than 20 countries, leaps from 41 to 21 on this week's Billboard Hot 100.

Usher's 'Love In This Club' remains atop the chart, with Chris Brown's 'With You' climbing a place to number two.

Elsewhere, Lupe Fiasco enters the top ten with 'Superstar', while Mariah Carey vaults from 24 to 16 with 'Touch My Body'.

The top ten in full:

1. (1) Usher ft. Young Jeezy: 'Love In This Club'
2. (3) Chris Brown: 'With You'
3. (2) Flo Rida ft. T-Pain: 'Low'
4. (5) Sara Bareilles: 'Love Song'
5. (4) Rihanna: 'Don't Stop The Music'
6. (6) Jordin Sparks and Chris Brown: 'No Air'
7. (13) Ray J & Young Berg: 'Sexy Can I'
8. (7) Timbaland ft. OneRepublic: 'Apologize'
9. (9) Webbie, Lil' Phat & Lil' Boosie: 'Independent'
10. (11) Lupe Fiasco ft. Matthew Santos: 'Superstar'