I have been asked to find a song for an advert for a huge UK brand that "has attitude, eludes confidence, is bold and to an extent sensual"

The two tracks they have mentioned they like are:

http://www.youtube.com/watch?v=LVnte-jnoMI
http://www.youtube.com/watch?v=y7ZEVA5dy-Y "

Dear god no.

I want to suggest Sonic Youth's cover of Is It My Body, but they'd probably think I was taking the piss :) BUT there must be some middle ground between Sonic Youth and an X factor contestant... Would rather the money went to someone good.

Female singer's only.