There could only ever be one Beyonce, but it doesn't hurt to pretend once in a while, does it? This is exactly what 100 single ladies did in the middle of London yesterday, when they dressed up like the bootylicious singer and shook their bits around to celebrate Trident's free Beyonce gig on 15 November at the O2 Arena. They've certainly drawn a crowd, haven't they? We feel a bit tired just watching them. If you prefer to see the real thing, make sure you buy some Trident gum and enter their weekly ballots online here to be in with a chance of getting some of the 13,000 free tickets. If you're really bored, you could get up in your office/living room/the pub where you're sitting now and dance along with them. Go on, we dare you...