‘Kisses Down Low’ diva Kelly Rowland was spotted down in Las Vegas this evening to lend a stirring rendition of the U.S. national anthem for the highly anticipated Floyd Mayweather vs. Robert Guerrero boxing match.

Rowland, who is in preparation for a lengthy spell down the promo trail in support of her 4th studio LP ‘Talk A Good Game’, delivered a knockout performance with her take on the historic tune.

See what we mean below:

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