Half a million people have watched his show and millions have tuned into a 'big girl' version involving the splits. Then there are all the little people, like teenaged Cubby, also in a leotard, dancing away in his messy bedroom. More than 6 million people have watched that video on YouTube, with at least 31 million watching the Beyoncé original. 15 featuring Justin Timberlake, in leotard and high heels. The most famous imitation was the Saturday Night Live satire on Nov.

'Single Ladies' is a triple threat – a strong song of female empowerment ('if you liked it then you should have put a ring on it'), a great dance full of sexy moves, and a video that has launched a thousand imitators. 'When they hear it, most people start dancing, even walking down the street.'

Toronto dancer-choreographer Tre Armstrong says it's irresistible. Just as the Twist started with Chubby Checker's hit song, disco was unleashed on the masses by the movie Saturday Night Fever and Billy Ray Cyrus's 'Achy Breaky Heart' had everyone line dancing like a cowboy, a YouTube 'Single Ladies' video has sparked this latest dance craze. Lots of people don't feel confident dancing freestyle.' 'Whenever a new dance comes along, I like it. The last dance-along craze was the Macarena back in the '90s. He says high school and college kids are usually the ones requesting 'Single Ladies (Put a ring on it)', from Beyoncé's hit CD I am. 'It's been a long time since a new dance came along,' says DJ Jason Gerecht, operations manager of Disc Jockeys Unlimited. With that shout-out to the sisterhood, Beyoncé unleashed a phenomenon that has become the first major dance craze of both the new millennium and the Internet.

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