(AP)
Singer, songwriter and Diet Coke brand ambassador Taylor Swift has a new commercial and she wants everyone to know it.
The 30-second spot — set to air Thursday during "American Idol" — shows Swift sipping Diet Coke while writing her hit single "22" in a hotel room as fans sing along in various settings.
"The Diet Coke commercial! Check it out- it airs tonight tonight during Idol. http://cokeurl.com/nnyh," the 23-year-old singer tweeted.
Swift is currently on a world tour in support of her album "Red."
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