Nicole Scherzinger of the Pussycat Dolls performs during the Live Earth concert in London last year.

Nowadays, singing is more than just about having a good voice. You have to have the looks and sex appeal to go with it.

Look around, and you'll know what we're talking about. From the popular Brit band Girls Aloud to their American counterparts, the Pussycat Dolls, all display oodles of talent and lots of skin.

Sometimes, this can backfire -- The Pussycat Dolls were fined $3400 for displaying too much more than their singing talent during a concert in Malaysia -- but being sexy is a big part of being part of a girl band.

So, here's our question to you: Which girl band do YOU think is the sexiest? Tell us!