The Coca-Cola Co's latest celebrity signing Taylor Swift has released her first commercial for the company.

The seven-time Grammy winner appears in the 30-second “Music that Moves” Diet Coke spot alongside her new single. The ad premièred in the US last week and is part of a marketing campaign that includes Facebook updates from Swift and sponsorship of her upcoming US tour.

Swift announced her partnership with Diet Coke in January in a YouTube video.

Earlier today, Coca-Cola announced a drop in global Q1 profits and sales