The Goodies hitmaker took to Instagram.com to share an image of herself posing with the company's chief executive officer Phillip Green to thank him for her new job.

In a caption she writes, "So cool hearing Sir Phillip introduce me as the new brand ambassador for @TopShop #USA!!!!! I'm So excited! TopShop (sic)."

Ciara's football player boyfriend Russell Wilson was quick to congratulate his partner, writing on Twitter.com, "Congrats (sic)! @TopShop couldn't pick a more dynamic woman!"

The British chain opened its flagship store in New York last year (14).