The 29-year-old tennis player stars as a prom queen in the vid, where she sings to a crowd of people, and also plays the clarinet! So funny!
The ad campaigns for the award show likens the ESPYs to prom night for the sports world, with Seth as the prom night chaperone. Seth is set to host the night of sports recognition for the second year in a row.
The 2011 ESPYs celebrate the greatest sport stories of the past year, including amazing plays and biggest upsets, and fans are welcome to join in the voting process!
Be sure to tune into the 2011 ESPY Awards on Wednesday (July 13) at 9 p.m. ET on ESPN/ESPNHD.
Check out the promo video for the 2011 ESPYs…
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