Miss USA 2007 Rachel Smith may have just lived out her worst nightmare, but she kept a smile on her face anyway. The 22-year-old beauty from beauty queen from Clarksville, Tenn., tripped and fell during the evening gowns competition at the Miss Universe 2007 competition in Mexico City.

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The audience immediately broke into a chorus of hisses and booes, but Smith quickly recovered and managed to be named the fourth runner-up in sipte of the incident. Miss Japan 2007 Riyo Mori was crowed with the $250,000 tiara.