Pretty Green and Initials Marketing are probably patting themselves on the back for this piece of work, for Beyonce and Trident. They hired about a hundred female dancers who, according to BrandRepublic, "spontaneously" appeared in London's Picadilly Circus to perform the routine you see above.

It's for Beyonce's upcoming concert and something about Trident. Anyway, it's a lame attempt at reworking T-Mobile at Grand Central (which is posted after the jump, lest you care to see it). The comments on BrandRepub are good enough to eat — check 'em out.

More: "The Most Expensive Online Ad Buy Ever? AOL Teams Up With T-Mobile"