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Los Angeles Times

Please Hammer, don't hurt Psy

The video for "Gangnam Style" pairs an incredibly catchy piece of pop/hip-hop music with a widely copied set of dance moves. So it's perfectly fitting that Psy's "special guest" for his closing performance at the AMAs was none other than MC Hammer. If "Gangnam Style" isn't the 2012 version of "U Can't Touch This," we don't know what is. -- Rick Porter, Zap2itGetty Images