Taylor Swift: Diet Coke Commercial - Watch Now!

Taylor Swift writes the lyrics to her song “22″ in her brand new Diet Coke commercial.

The 23-year-old singer was chosen as the beverage’s latest spokesperson because she “makes music that moves. It has the power to speak to us, and through us, sometimes before we even know what’s happening.”

PHOTOS: Check out the latest pics of Taylor Swift

“The Diet Coke commercial! Check it out- it airs tonight tonight during Idol,” Taylor tweeted.

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